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(newest | oldest) View (newer 250 | older 250) (20 | 50 | 100 | 250 | 500)- 16:55, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4SepticEmboli3.jpg (This low-power photomicrograph shows a section of lung on the left and myocardium on the right. Both pieces of tissue have multiple embolic lesions seen as blue staining areas with massive infiltration of inflammatory cells (arrows).)
- 16:54, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4SepticEmboli2.jpg (This is a gross photograph of myocardium with multiple embolic lesions scattered throughout the left and right ventricles.)
- 16:54, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2FattyChange2.jpg (This low-power photomicrograph of liver illustrates a very pale-staining section with a uniform appearance throughout the section.)
- 16:54, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4SepticEmboli1.jpg (This gross photograph of lung demonstrates microabscesses due to septic embolization. Note the small 2 to 3-mm lesions scattered throughout this lung tissue (arrows).)
- 16:53, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2FattyChange1.jpg (This gross photograph of liver tissue illustrates the yellowish color of the liver parenchyma. The yellow color indicates high fat content in this tissue. Compare this with the normal dark red color of liver.)
- 16:50, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus10.jpg (This is a gross photograph of the fibrous band between the uterus and adjacent tissues. This fibrous scar tissue is probably left over from a previous surgery or an infection. A loop of bowel herniated through the opening produced by this fibrous band ...)
- 16:49, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus9.jpg (This is a gross photograph of an opened abdomen at autopsy demonstrating loops of infarcted bowel (arrow). Vascular occlusion can lead to ischemic necrosis of the bowel. In this case, a section of bowel herniated through a fibrous connective tissue ban...)
- 16:49, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus8.jpg (This is a gross photograph of cut section of testis from previous image. The tissue is filled with blood.)
- 16:48, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus7.jpg (This is a gross photograph of an infarcted testis. Because of the anatomy of the blood supply to the testis, torsion or the blood vessels often leads to venous occlusion (due to compression of the thin walled veins) but not arterial occlusion. Thus, bl...)
- 16:48, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus6.jpg (This is a low-power photomicrograph of the infarcted lung. The tissue is congested and has a very bland appearance due to coagulation necrosis of the lung parenchyma. You can still see the outlines of the alveoli and the cells that make-up the alveoli ...)
- 16:48, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus5.jpg (This is a photomicrograph of the wall of the pulmonary artery (1) containing the thromboembolus. In this case the artery wall looks normal. If this was a thrombus instead of a thromboembolus, you would expect to see some damage in the artery wall that ...)
- 16:47, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus4.jpg (This is a low-power photomicrograph of lung. A large thrombus is lodged at this branch point in the pulmonary artery. Note the hemorrhage and congestion in the surrounding lung parenchyma.)
- 16:47, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus3.jpg (This is a gross photograph of portions of muscle from the legs including sections of leg veins. Note that the leg veins contain thrombus (arrows).)
- 16:46, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus2.jpg (This is a gross photograph of the heart with the main pulmonary artery opened. Note the thromboembolus filling the pulmonary artery (arrows).)
- 16:46, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus1.jpg (This is a gross photograph of a cut section of lung demonstrating thromboemboli in the pulmonary arteries (arrows).)
- 16:41, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis10.jpg (This is a high-power photomicrograph of the luminal surface of a re-canalized vessel. Note that the vessel lumen is lined by endothelial cells (arrows).)
- 16:40, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis9.jpg (This is a higher-power photomicrograph of another region of the vessel wall. The adventitia (1) and the media (2) contain inflammatory cells. The recanalized portion of the vessel (3) is composed of fibrous connective tissue and contains numerous small...)
- 16:40, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis8.jpg (This is a higher-power photomicrograph of the vessel wall. The adventitia (1) and the media (2) contain inflammatory cells. The recanalized portion of the vessel is composed of fibrous connective tissue and contains numerous small blood vessels. There ...)
- 16:40, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis7.jpg (In this low-power photomicrograph of another coronary artery from this patient, a mural thrombus has undergone re-organization. The mural thrombus has been invaded by the in-growth of fibroblasts and small blood vessels from the wall of the artery. The...)
- 16:39, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis6.jpg (This is a higher-power photomicrograph of thrombus attached to the wall of the vessel. Note the early organization with in-growth of fibroblasts and small blood vessels from the wall of the artery (arrows).)
- 16:38, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis5.jpg (This is a high-power photomicrograph of thrombus attached to the wall of the vessel. There is early organization of the thrombus (arrow).)
- 16:38, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Calcification2.jpg (This low-power photomicrograph of the patient's lung illustrates large, open alveolar spaces. The pleural surface is the curved surface at the top.)
- 16:36, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis4.jpg (This is another high-power photomicrograph of the ruptured fibrous cap (arrows) with hemorrhage (1) into the atherosclerotic plaque. Note the presence of cholesterol crystals.)
- 16:36, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Calcification8.jpg (This gross photograph affords a closer view of the same aortic valve. Note the nodularity and thickening of this valve due to fibrosis and dystrophic calcification.)
- 16:36, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis3.jpg (This is a higher-power photomicrograph of the ruptured fibrous cap (arrows) with hemorrhage (1) into the atherosclerotic plaque.)
- 16:36, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Calcification7.jpg (A closer view of this same aortic valve (arrow) illustrates the nodularity and thickening of this valve. This valve would be extremely stiff and almost entirely immobile. This particular example of dystrophic calcification is associated with a degenera...)
- 16:35, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis2.jpg (This is a low-power photomicrograph of thrombosed coronary artery. The thrombus (1) completely occludes the vessel. Note the layering of the thrombus. The fibrous cap is ruptured (arrow) and there is hemorrhage into the atherosclerotic plaque. Note the...)
- 16:35, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Calcification6.jpg (Metastatic calcification is only one of two forms of pathologic calcification. Unlike metastatic calcification, dystrophic calcification does not require an increase in serum calcium levels. This is a gross specimen of a heart with dystrophic calcifica...)
- 16:35, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis1.jpg (This is a gross photograph of thrombosed coronary artery (arrows).)
- 16:34, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Calcification5.jpg (This photomicrograph demonstrates pulmonary alveoli with extensive calcium depositions (1) in the septa and protein accumulations (2) in the alveoli.)
- 16:34, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Calcification4.jpg (This high-power photomicrograph of a blood vessel shows calcium deposits in the vascular wall (1) and proteinaceous material (2) (from edema) within some of the alveoli. The smooth muscle in the vessel wall has been almost completely replaced by calciu...)
- 16:33, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Calcification3.jpg (A higher-power photomicrograph shows a blood vessel cut in longitudinal section (1). Several of the alveoli are filled with a pink-staining proteinaceous fluid (2) indicative of pulmonary edema. The alveolar septa and the wall of the blood vessel have ...)
- 16:32, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Calcification1.jpg (This is a gross photograph of the cut section of the patient's lung showing evidence of severe metastatic calcification. The lung tissue has a rough, firm appearance with open airways.)
- 16:30, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4MuralThrombus7.jpg (This high-power photomicrograph of thrombus demonstrates more clearly the components of the layers--the pale regions which contain primarily platelets (degranulated platelets) with some fibrin (1), and the red areas which contain RBCs, some leukocytes,...)
- 16:29, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4MuralThrombus6.jpg (This is a higher-power photomicrograph of the thrombus. Note the pale regions which contain primarily platelets (degranulated platelets) with some fibrin (1), and the red areas which contain RBCs, some leukocytes, and fibrin(2).)
- 16:29, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4MuralThrombus5.jpg (This photomicrograph illustrates the layered effect of the thrombus.)
- 16:28, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4MuralThrombus4.jpg (This is a high-power photomicrograph of the border zone between the thrombus (1) and the endocardium (2). In this region there is less inflammation at the border zone.)
- 16:28, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4MuralThrombus3.jpg (This higher-power photomicrograph shows the border between the thrombus on the right (1) and the endocardium on the left (2). There is a line of inflammatory cells at this interface (arrow).)
- 16:27, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4MuralThrombus2.jpg (This is a low-power photomicrograph of the thrombus (1) attached to the myocardium (2).)
- 16:27, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4MuralThrombus1.jpg (This is a gross photograph of the heart from this case demonstrating the well-formed thrombus (arrow) tightly attached to the myocardium near the apex of the left ventricle.)
- 16:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion9.jpg (This is a gross photograph of the cut surface of a liver with chronic passive congestion (left) compared to the cut surface of a nutmeg (right).)
- 16:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion8.jpg (This is a gross photograph of a nutmeg. You can see from the appearance of the cut surface of the nutmeg (arrow) why chronic passive congestion of the liver is sometimes referred to as "nutmeg liver.")
- 16:21, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion7.jpg (This is a high-power photomicrograph of liver with several macrophages that are distended with a brown pigment (arrow). These resident macrophages (Kupffer cells) are part of the reticuloendothelial system and normally line the sinusoidal spaces in the...)
- 16:21, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion6.jpg (This is a high-power photomicrograph of the central vein illustrating congestion and some loss of liver parenchymal cells. A mild increase in connective tissue around the central vein is evident in this section.)
- 16:20, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion5.jpg (This higher-power photomicrograph of the liver lobules shows congestion and red blood cell accumulation in the sinusoidal spaces around the central vein. Note that around the portal triads (arrows) the liver cells are quite normal and there is no evide...)
- 16:20, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion4.jpg (This is a higher-power photomicrograph of liver demonstrating an accentuated lobular pattern with a dark red stain surrounding the central veins in the liver lobules (arrows).)
- 16:20, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion3.jpg (This low-power photomicrograph of liver demonstrates a slightly visible pattern of centrilobular congestion at this magnification.)
- 16:19, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion2.jpg (This is a closer view of a cut section of liver demonstrating the pattern of chronic passive congestion. The central vein regions are red and the surrounding hepatic tissue is pale tan-brown.)
- 16:19, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion1.jpg (This is a gross photograph of a liver demonstrating chronic passive congestion. Note the accentuation of the centrilobular pattern evidenced by the dark-brown-staining areas in this tissue.)
- 16:12, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4PulmonaryCongestion7.jpg (This high-power photomicrograph illustrates the edema fluid within the alveoli (1) and the congestion (RBCs) in the alveolar capillaries (arrows).)
- 16:12, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4PulmonaryCongestion6.jpg (This is a higher-power photomicrograph showing edema-filled alveoli in the right portion of this section (arrows).)
- 16:12, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Atrophy10.jpg (This gross photograph shows a normal brain (left) and a brain from a geriatric patient (right). Note the decreased size, the narrowed gyri, and the widened sulci of the brain from this octogenarian. What is the cause of atrophy in this case?)
- 16:11, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Atrophy9.jpg (The two kidneys in this slide are from the same patient. One kidney (1) is relatively normal, although increased in size due to compensatory hypertrophy. The other kidney (2) is very small with only rudimentary nodules of renal parenchyma. This kidney ...)
- 16:11, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Atrophy8.jpg (These kidneys were removed from a patient who had blockage of one ureter leading to increased pressure in the renal pelvis. The increased pressure produced hydronephrosis (arrow) in one kidney. What is the cause of atrophy in this case?)
- 16:10, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Atrophy7.jpg (In this gross photograph of kidneys and the abdominal aorta, there is narrowing of the left renal artery at its ostium from the aorta. This atherosclerotic narrowing of the renal artery causes reduced blood pressure in the kidney whose artery is affect...)
- 16:08, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4PulmonaryCongestion5.jpg (This is a higher-power photomicrograph of lung. The edema fluid within the alveoli is visible at this higher magnification (arrows). The thickened pleura (1) is on the left.)
- 16:07, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4PulmonaryCongestion4.jpg (This is a low-power photomicrograph of lung from this case. The lung section has a pale-red color indicating proteinaceous material within the lung.)
- 16:07, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4PulmonaryCongestion3.jpg (This gross photograph demonstrates the frothy exudate that is being extruded from the lung tissue.)
- 16:07, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Atrophy6.jpg (In this slide, the atrophy of the tubules is extending to include the Rete testes (arrow) as well.)
- 16:07, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4PulmonaryCongestion2.jpg (This is a gross photograph of lung demonstrating acute pulmonary congestion and edema. A frothy exudate fills the bronchus (arrow).)
- 16:06, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4PulmonaryCongestion1.jpg (This is a gross photograph of lungs that are distended and red. The reddish coloration of the tissue is due to congestion. Some normal pink lung tissue is seen at the edges of the lungs (arrows).)
- 16:05, 19 August 2013 Peter Anderson (talk | contribs) deleted page File:IPLab2Atrophy5.jpg (Deleted old revision 20130819160450!IPLab2Atrophy5.jpg)
- 16:04, 19 August 2013 Peter Anderson (talk | contribs) uploaded a new version of File:IPLab2Atrophy5.jpg (A seminiferous tubule is shown on the left containing remnants of spermatocytes (1). There are no mature sperm present. On the right-hand portion of the slide are remnants of other spermatic tubules which have completely atrophied and lost all of their...)
- 16:03, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Atrophy4.jpg (This is a higher-power photomicrograph indicating loss of testicular parenchymal tissue. There are very few recognizable spermatic cells in this tissue. The cluster of cells in the upper right is a focus of interstitial or Leydig cells (arrow). These c...)
- 16:02, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Atrophy5.jpg (This is a higher-power photomicrograph indicating loss of testicular parenchymal tissue. There are very few recognizable spermatic cells in this tissue. The cluster of cells in the upper right is a focus of interstitial or Leydig cells (arrow). These c...)
- 16:01, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Atrophy3.jpg (This is a higher-power photomicrograph of an atrophic testis. In this section there are seminiferous tubules with viable cells (1) although there are no visible spermatocytes. Other seminiferous tubules are completely acellular and have a pale pink hya...)
- 16:01, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Atrophy2.jpg (This is a low-power photomicrograph of an atrophic testis. Attached to the testis are several vessels (arrow) which are part of the epididymis and the vas deferens.)
- 16:00, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Atrophy1.jpg (This is a gross photograph of an atrophied testis (arrows).)
- 15:45, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Metaplasia7.jpg (This is a photomicrograph of the trachea from a smoker. Note that the columnar ciliated epithelium has been replaced by squamous epithelium.)
- 15:45, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Metaplasia6.jpg (A high-power photomicrograph of the squamous epithelium shows inflammatory cells in the subepithelial tissue and the formation of keratinized epithelium (arrows).)
- 15:44, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Metaplasia5.jpg (In areas adjacent to the normal transitional epithelium, there are areas of epithelium (arrows) where the epithelial cells have the character of normal squamous epithelium as found in the dermis. However, squamous epithelium is not normal in the renal ...)
- 15:43, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Metaplasia4.jpg (This is a higher-power photomicrograph of the junction of normal epithelium (1) with hyperplastic transitional epithelium (2).)
- 15:41, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Metaplasia3.jpg (A higher-power view shows the junction of normal epithelium (1) with hyperplastic transitional epithelium (2). Note the inflammatory cells in the subepithelial tissue.)
- 15:40, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Metaplasia2.jpg (his high-power photomicrograph demonstrates the transitional epithelium lining the renal calyx (1) and the junction (transition zone) to a thicker hyperplastic epithelium (2). Note the inflammatory cells and increased vascular response in the stromal t...)
- 15:39, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Metaplasia1.jpg (This is a low-power photomicrograph showing the full cortical and medullary thickness of the kidney. Note that there is a dilated calyx containing some red blood cells in the center of the section (arrow). The cortex is markedly thin and has severe les...)
- 15:29, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Hyperplasia9.jpg (This kidney was removed from another autopsy patient who had prostatic hyperplasia resulting in marked urinary retention and back-flow of urine from the bladder into the ureters and renal pelvis. The increased pressure inside the renal pelvis resulted ...)
- 15:29, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Hyperplasia8.jpg (This is a higher-power photomicrograph of papillary folds of hyperplastic epithelium (arrows).)
- 15:29, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Hyperplasia7.jpg (A higher-power view shows the papillary folds (arrows) produced by the hyperplastic epithelium projecting into the lumen of the gland. While these papillary folds project into the lumen of the gland, there is no extension through the glandular basement...)
- 15:28, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Hyperplasia6.jpg (Cystic dilatation of glands is present in this photomicrograph. Notice the accumulation of secretory material inside the glands (arrows) and compression (thinning) of the lining epithelium.)
- 15:28, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Hyperplasia5.jpg (Note these glands, which exhibit hyperplasia of the glandular epithelium. The infolding of the glandular epithelial cells forms papillary projections (arrows) into the lumen of the gland.)
- 15:28, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Hyperplasia4.jpg (The dilated glands (arrows) make up the major portion of the prostate tissue and there is compression of the stroma.)
- 15:28, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Hyperplasia3.jpg (This is a low-power photomicrograph showing hyperplastic prostate on the left (1) and normal prostate on the right (2). At this power, dilated glands are visible in the section of hyperplastic prostate.)
- 15:27, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Hyperplasia2.jpg (This is a close-up of the prostate from this same patient. Note the nodularity of the tissue (1) and the enlargement of the gland. Enlargement of the prostate leads to compression of the urethra as it passes through (2) the gland.)
- 15:27, 19 August 2013 Peter Anderson (talk | contribs) uploaded File:IPLab2Hyperplasia1.jpg (This photograph shows the autopsy specimen from this patient. Included are kidneys (1), ureters (2), bladder (3) (which has been opened), and enlarged prostate (4). Note that the bladder mucosa has multiple trabeculae and the bladder mucosa is hyperemi...)
- 04:39, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction8.jpg (This is a higher-power photomicrograph of a trichrome-stained section of heart containing an old healed MI. The scar tissue (mature fibrous connective tissue) is stained blue.)
- 04:38, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction7.jpg (This is a photomicrograph of a trichrome-stained section of heart containing an old healed myocardial infarction. The scar is composed of mature fibrous connective tissue (arrows).)
- 04:38, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction6.jpg (This is a photomicrograph of a trichrome-stained section from a heart with an acute myocardial infarction. Note that there is little fibrous connective tissue. It is too early for scar formation to have taken place in this acute lesion.)
- 04:37, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction5.jpg (This is a high-power photomicrograph of a different region of this healed MI. Note the chronic inflammatory reaction (arrows) in this region suggesting that there had been ischemic injury to this area within the last several weeks to months.)
- 04:37, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction4.jpg (This is another high-power photomicrograph of a healed myocardial infarction. Note the remaining normal myocytes (1), the fibrous connective tissue (2), and occasional hypereosinophilic myocytes indicating recent acute ischemic injury (arrow).)
- 04:37, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction3.jpg (This is a higher-power photomicrograph of a healed myocardial infarction with a fibrous scar. Remaining normal tissue is at the top (1) and the fibrous connective tissue scar is at the bottom (2). Note the presence of occasional hypereosinophilic myocy...)
- 04:36, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction2.jpg (This is a low-power photomicrograph of a healed myocardial infarction with a fibrous scar. Remaining normal tissue is on the left (1) and the fibrous connective tissue scar is on the right (2).)
- 04:36, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction1.jpg (This is a gross photograph of a heart with areas of old healed myocardial infarction (scars) outlined by arrows.)
- 04:30, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteMyocardialInfarction7.jpg (This is a photomicrograph of the lines of Zahn. Pale areas (1) represent platelets with some fibrin and the darker lines (2) represent RBCs and leukocytes enmeshed in fibrin strands.)
- 04:30, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteMyocardialInfarction6.jpg (This is a low-power photomicrograph of a mural thrombus (1) adherent to the endocardial surface (arrows).)
- 04:30, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteMyocardialInfarction5.jpg (This is a high-power photomicrograph of another area of this section. There are several hypereosinophilic cells within this section (arrows).)
- 04:30, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteMyocardialInfarction4.jpg (This is a higher-power photomicrograph of the edge of the infarct. The accumulation of inflammatory cells is on the left (1) and the infarcted tissue is on the right (2). Note that intact cells can be seen in the infarct but there are no nuclei.)
- 04:29, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteMyocardialInfarction3.jpg (This is a photomicrograph of the edge of the infarct with normal tissue on the left (1). The accumulation of inflammatory cells (2) is at the edge of the infarcted tissue (3).)
- 04:29, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteMyocardialInfarction2.jpg (This is a higher-power photomicrograph which shows more clearly the viable tissue along the epicardium (1), the blue line of inflammatory cells (2), and the infarcted myocardium (3).)
- 04:29, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteMyocardialInfarction1.jpg (This is a low-power photomicrograph of infarcted heart. There is a layer of surviving myocardial tissue (1) along the epicardium and then a blue line (2) which represents the accumulation of inflammatory cells at the border of the infarct. There is thr...)
- 04:24, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3BrainInfarction11.jpg (This is a closer view of the brain demonstrating an old healed infarct with the meninges containing blood vessels (arrow) overlying the infarcted region.)
- 04:24, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3BrainInfarction10.jpg (This is a gross photograph of a brain from another patient with an old healed infarct. Note the meninges overlying the infarcted region (arrow).)
- 04:23, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3BrainInfarction9.jpg (This is a photomicrograph of the edge of the infarct. Note the gitter cells, gemistocytic astrocytes, and some hemosiderin-laden macrophages (arrows).)
- 04:23, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3BrainInfarction8.jpg (This is a high-power photomicrograph of gitter cells (arrows).)
- 04:23, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3BrainInfarction7.jpg (This is a photomicrograph of the edge of the infarct. The macrophages that are full of brain tissue (“gitter cells”) are at the top of the image (arrows) and the brain parenchyma containing gemistocytic astrocytes is at the bottom.)
- 04:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3BrainInfarction6.jpg (This is a photomicrograph of brain tissue adjacent to the area of infarction. There are numerous activated gemistocytic astrocytes (arrows).)
- 04:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3BrainInfarction5.jpg (This is a higher-power photomicrograph of the previous image showing that the inflammatory cells (arrows) are primarily macrophages and microglia which have phagocytosed the dead brain tissue.)
- 04:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3BrainInfarction4.jpg (This is a photomicrograph of the edge of the infarct. Note the numerous inflammatory cells in the brain parenchyma and adjacent to the remaining brain tissue (arrows).)
- 04:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3BrainInfarction3.jpg (This is a low-power photomicrograph of brain at the edge of the infarct. Note the loss of brain parenchyma (arrows).)
- 04:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3BrainInfarction2.jpg (This is a gross photograph of a cross-section of brain demonstrating the areas of infarction (arrows).)
- 04:21, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3BrainInfarction1.jpg (This is a gross photograph of the brain which contains two areas of infarction (arrows).)
- 04:17, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ChronicPepticUlcer11.jpg (This is a trichrome-stained section of tissue demonstrating fibrous connective tissue scar formation (blue color) in this lesion. The surface of the ulcer is at the left-hand side of the image. There is a layer of inflammatory cells and RBCs on the sur...)
- 04:17, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ChronicPepticUlcer10.jpg (This is a photomicrograph of the serosal surface (1) from a section of stomach near the ulcer. Note that the inflammatory reaction extends out to the serosa.)
- 04:17, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ChronicPepticUlcer9.jpg (This high-power photomicrograph demonstrates the granulation tissue within the base of the ulcer.)
- 04:16, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ChronicPepticUlcer8.jpg (This low-power photomicrograph demonstrates the healing reaction in the base of this ulcer. The base of the ulcer is at the left-hand side of the image and the serosal surface is at the right. Note the fibrous connective tissue within the wall of the s...)
- 04:16, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ChronicPepticUlcer7.jpg (This high-power photomicrograph of the ulcer base demonstrates plump, activated fibroblasts and endothelial cells (arrows) within the granulation tissue that makes up the base of the ulcer. There are inflammatory cells (primarily lymphocytes) within th...)
- 04:16, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ChronicPepticUlcer6.jpg (This high-power photomicrograph of the ulcer base (arrows) demonstrates the lack of epithelium and the exuberant inflammatory response (1) consisting of primarily of fibrin (and adherent gastric secretions) and PMNs. The surface of the ulcer bed is cov...)
- 04:16, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ChronicPepticUlcer5.jpg (This is a medium-power photomicrograph of the base of the ulcer with the fibrinopurulent membrane (1) overlying the ulcerated surface. The ulcerated surface contains granulation tissue and inflammatory cells (2).)
- 04:15, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ChronicPepticUlcer4.jpg (This is a photomicrograph of the margin of the ulcer. Note the intact epithelium on the right side of the section (1) and the ulcerated region without epithelium on the left (2). There are numerous inflammatory cells within this tissue.)
- 04:15, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ChronicPepticUlcer3.jpg (This is a low-power photomicrograph of the transected ulcer. The blue cells on the right hand side of this section are the normal gastric epithelial cells of the mucosa (1). Note the absence of any epithelial cells within the crater of the ulcer (2).)
- 04:15, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ChronicPepticUlcer2.jpg (This is a gross photograph of the ulcer after it has been transected. The edge of the mucosa (1) is better appreciated in this image. Note the thick, fatty tissue (2) which makes up the base of this ulcer (3).)
- 04:14, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ChronicPepticUlcer1.jpg (This is a gross photograph of a stomach containing an ulcer. Note the folded pink gastric mucosa that extends up to the edge of the ulcer (arrows).)
- 04:10, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3FibrinousPericarditis5.jpg (This high-power photomicrograph demonstrates fibrin (red amorphous material) on the surface of the pericardium (1). Note the reactive mesothelial cells on the surface of the pericardium (arrows) and the inflammatory cells within the pericardial tissue.)
- 04:10, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3FibrinousPericarditis4.jpg (This is a higher-power photomicrograph demonstrating fronds of fibrin (arrows) projecting from the surface of the pericardium.)
- 04:10, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3FibrinousPericarditis3.jpg (This low-power photomicrograph illustrates the dark-red-staining fibrin deposits on the inner surface (arrows). This pericardium is much thicker than normal and there are numerous inflammatory cells within the pericardial tissue.)
- 04:10, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3FibrinousPericarditis2.jpg (This is another view of the heart with the pericardium removed. Most of the epicardial surface is covered with fibrinous deposits as in the previous slide. There are a few glistening areas of exposed normal epicardial tissue.)
- 04:10, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3FibrinousPericarditis1.jpg (This is a gross photograph of a heart illustrating acute fibrinous pericarditis. The pericardium on this heart has been reflected back (arrows). The surface of the heart is rough due to the deposition of fibrin on the epicardial surface of the heart an...)
- 03:48, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ForeignBodyGranuloma5.jpg (This is a fully-polarized view of lung showing numerous birefringent particles.)
- 03:48, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ForeignBodyGranuloma4.jpg (This is a photomicrograph of lung taken under light that is partially polarized to demonstrate the birefringent particles within the granulomas (1). Also, at this magnification one can better appreciate that these granulomas are adjacent to blood vesse...)
- 03:47, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ForeignBodyGranuloma3.jpg (A higher-power photomicrograph of these granulomas reveals that they surround blood vessels (note the red blood cells within the lumen) (arrow).)
- 03:47, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ForeignBodyGranuloma2.jpg (This higher-power photomicrograph demonstrates the small focal cellular lesions (arrows) found throughout the parenchyma of the lung.)
- 03:47, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3ForeignBodyGranuloma1.jpg (This is a low-power photomicrograph of lung and pleura. There is some hemorrhage in this tissue (arrows), probably the result of surgery or the gunshot wounds.)
- 03:39, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Tuberculosis5.jpg (This high-power photomicrograph of a tuberculosis granuloma demonstrates acid-fast bacilli (arrows).)
- 03:39, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Tuberculosis4.jpg (This is a high-power photomicrograph of a granuloma. Note the necrotic core on the right (1), epithelioid macrophages (2), and Langhans’ type giant cells (3) at the periphery of the granuloma. Note also the small lymphocytes characterized by their di...)
- 03:39, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Tuberculosis3.jpg (This is a photomicrograph of a tuberculosis granuloma. Note the central core of caseation necrosis (1) encircled by a rim of epithelioid macrophages and lymphocytes (2). Langhans’ type multinucleated giant cells are also present although they are dif...)
- 03:38, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Tuberculosis2.jpg (This low-power photomicrograph of a section of lung reveals multiple large nodules (1) with pale eosinophilic centers surrounded by a rim of blue-staining nuclei. In addition to the large nodules, there are several smaller nodules throughout the slide ...)
- 03:38, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Tuberculosis1.jpg (This is a gross photograph of a lung containing a nodular lesion at the lung apex (arrows). Note that the lesion appears solid and has a whitish coloration indicating considerable fibrous connective tissue. This is a healed granuloma due to primary tub...)
- 03:34, 19 August 2013 Seung Park (talk | contribs) deleted page Category:IPLab 3 (Duplicate category -- merged with Category:IPLab:Lab 3)
- 03:31, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Sarcoidosis6.jpg (This is a higher-power photomicrograph of an asteroid body (arrow) inside of a multinucleated giant cell.)
- 03:30, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Sarcoidosis5.jpg (This is a photomicrograph of a multinucleated giant cell (1). In the center of this foreign body-containing giant cell there is a small asteroid body (2). There is no functional significance to this asteroid body.)
- 03:30, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Sarcoidosis4.jpg (This photomicrograph of a single granuloma illustrates the individual macrophages (arrows) which make up the bulk of this tissue. There is an absence of necrosis in the center of the lesions in this case.)
- 03:30, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Sarcoidosis3.jpg (This is a photomicrograph of the small nodules (arrows) seen in the previous image. Close examination reveals that they are composed of large macrophages (epithelioid macrophages). These small granulomas form multiple series of reaction centers through...)
- 03:30, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Sarcoidosis2.jpg (This photomicrograph of lymph node tissue illustrates a paucity of lymphocytes as well as numerous small, pale-staining nodules (arrows) throughout the tissue.)
- 03:29, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Sarcoidosis1.jpg (This is a low-power photomicrograph of a lymph node. Note the rather pale-pink color of the tissue with dark-staining cells found in only a few scattered areas. These darker cells represent the original lymphocytes of this lymphoid organ.)
- 03:23, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Bronchopneumonia7.jpg (This higher-power photomicrograph shows a central portion of an abscess. Note the absence of any parenchymal lung tissue in this section due to extensive neutrophilic infiltration with liquefaction necrosis of the parenchymal tissue. Masses of leukocyt...)
- 03:23, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Bronchopneumonia6.jpg (This is a photomicrograph of another area in the lung showing a terminal bronchiole (1) in which the mucosal lining has been almost completely destroyed. There is extensive neutrophilic infiltration throughout this lung tissue.)
- 03:23, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Bronchopneumonia5.jpg (This is a photomicrograph of lung tissue affected by bronchopneumonia. Note that the alveolar structure of this tissue, which is in the region of a terminal bronchiole (1), has been retained despite the massive infiltration of inflammatory cells. These...)
- 03:23, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Bronchopneumonia4.jpg (This photomicrograph of the wall of an abscess (1) illustrates liquefaction necrosis in the center of the abscess (2). The remaining lung parenchyma (on the right side of the image) has extensive neutrophilic infiltration into the alveoli (3). This abs...)
- 03:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Bronchopneumonia3.jpg (This is a low-power photomicrograph of lung with multiple focal lesions (1) throughout the tissue, some of which have a pale center indicating a loss of parenchymal tissue (2). This is typical of abscess formation in the lung and represents a form of l...)
- 03:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Bronchopneumonia2.jpg (This is a closer view of the same lung tissue showing the individual small lung abscesses (arrows).)
- 03:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3Bronchopneumonia1.jpg (This gross photograph of lung illustrates multiple abscesses throughout the lung of this patient.)
- 03:18, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3LobarPneumonia8.jpg (This is a photomicrograph of alveoli filled with exudate. The alveolar wall outlines (arrows) are barely visible in this section. The alveoli are filled with PMNs, fibrin, and edema fluid. This is a severe acute inflammatory response but the structure ...)
- 03:18, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3LobarPneumonia7.jpg (This is another photomicrograph of the junction of the pleura (1) with the lung parenchyma. Note the alveoli on the left (2) filled with PMNs, alveolar macrophages, and fibrin. The dark red-stained material (3) in the center and left portions of the sl...)
- 03:18, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3LobarPneumonia6.jpg (This photomicrograph of the lung shows the junction of the pleura (1) with the pneumonic lung parenchyma (2). Careful examination of the lung tissue at the right reveals the outline of alveolar structures in this tissue (arrows). The mass of cells infi...)
- 03:17, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3LobarPneumonia5.jpg (This is a photomicrograph of the interpleural space between the two lung lobules. Thickened pleura with extensive fibrin deposits is present on the left portion of the slide (1) and the right portion of the slide (2) contains the affected lung lobe. No...)
- 03:17, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3LobarPneumonia4.jpg (This low-power photomicrograph of the lung shows: (1) markedly thickened pleura, indicating an inflammatory process which has been present for several days; (2) a small wedge-shaped segment of normal lung which is somewhat compressed due to artifact; (...)
- 03:17, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3LobarPneumonia3.jpg (This is a gross photograph of the right lung from the patient in this case. This lung shows complete consolidation with a marked infiltration of neutrophils throughout the tissue giving the lung a whitish discoloration. Note the extensive black pigment...)
- 03:16, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3LobarPneumonia2.jpg (This is a cut section of a lung from the preceding image. Note the whitish discoloration of the lung tissue in the upper lobe (arrows) compared to the normal collapsed and pink staining lung lobe in the left-hand portion of the photograph. The white di...)
- 03:15, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3LobarPneumonia1.jpg (This is a gross photograph of the lungs from a patient (not the patient from this case) with acute lobar pneumonia. The lung lobe in the upper-right portion of the photograph is affected with pneumonia (arrows). It has a whitish discoloration and appea...)
- 02:13, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteAppendicitis8.jpg (This is a gross photograph of another example of peritonitis. Again note the fibrinosuppurative exudate covering the abdominal organs (arrows).)
- 02:12, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteAppendicitis7.jpg (This is a gross photograph of the open abdominal cavity of a patient with acute appendicitis. In this patient, there had been rupture of the appendix with spillage of intestinal contents into the abdominal cavity. This spillage resulted in an acute abd...)
- 02:12, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteAppendicitis6.jpg (This higher-power photomicrograph of the mucosal surface shows the loss of normal mucosal epithelium (arrows) and the inflammatory infiltrate. The principal inflammatory cell in this case of acute appendicitis is the neutrophil.)
- 02:12, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteAppendicitis5.jpg (This photomicrograph of the mucosal surface shows a small area with normal mucosal epithelium (arrow). This area is surrounded by areas of ulceration with an inflammatory infiltrate of lymphocytes and neutrophils.)
- 02:11, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteAppendicitis4.jpg (This is a photomicrograph of the serosal surface of the appendix on the left (1) and the submucosal tissue in the center (2) with remnants of a lymphoid nodule. Surrounding this lymphoid nodule are masses of leukocytes which should not be present in a ...)
- 02:10, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteAppendicitis3.jpg (This is a photomicrograph of an appendix exhibiting acute inflammation. Note that there are only remnants of mucosal tissue identifiable along the luminal border of this specimen. There is an extensive infiltration of leukocytes in this tissue which ca...)
- 02:10, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteAppendicitis2.jpg (This is a low-power photomicrograph of a normal appendix on the right and an appendix with acute inflammatory response on the left. Note the abundant blue-stained lymphoid tissue beneath the mucosal layer and the absence of blue-staining cells in the s...)
- 02:10, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteAppendicitis1.jpg (This is a gross photograph of the appendix which was removed from this patient with acute appendicitis. Note the rough, shaggy material (arrows) on the surface due to deposition of fibrin and inflammatory cells.)
- 02:09, 19 August 2013 Seung Park (talk | contribs) deleted page File:Lab3AcuteAppendicitis8.jpg
- 02:09, 19 August 2013 Seung Park (talk | contribs) deleted page File:Lab3AcuteAppendicitis7.jpg
- 02:09, 19 August 2013 Seung Park (talk | contribs) deleted page File:Lab3AcuteAppendicitis6.jpg
- 02:09, 19 August 2013 Seung Park (talk | contribs) deleted page File:Lab3AcuteAppendicitis5.jpg
- 02:08, 19 August 2013 Seung Park (talk | contribs) deleted page File:Lab3AcuteAppendicitis4.jpg
- 02:08, 19 August 2013 Seung Park (talk | contribs) deleted page File:Lab3AcuteAppendicitis3.jpg
- 02:08, 19 August 2013 Seung Park (talk | contribs) deleted page File:Lab3AcuteAppendicitis2.jpg
- 02:08, 19 August 2013 Seung Park (talk | contribs) deleted page File:Lab3AcuteAppendicitis1.jpg
- 01:59, 19 August 2013 Seung Park (talk | contribs) uploaded File:Lab3AcuteAppendicitis8.jpg (This is a gross photograph of another example of peritonitis. Again note the fibrinosuppurative exudate covering the abdominal organs (arrows).)
- 01:59, 19 August 2013 Seung Park (talk | contribs) uploaded File:Lab3AcuteAppendicitis7.jpg (This is a gross photograph of the open abdominal cavity of a patient with acute appendicitis. In this patient, there had been rupture of the appendix with spillage of intestinal contents into the abdominal cavity. This spillage resulted in an acute abd...)
- 01:59, 19 August 2013 Seung Park (talk | contribs) uploaded File:Lab3AcuteAppendicitis6.jpg (This higher-power photomicrograph of the mucosal surface shows the loss of normal mucosal epithelium (arrows) and the inflammatory infiltrate. The principal inflammatory cell in this case of acute appendicitis is the neutrophil.)
- 01:58, 19 August 2013 Seung Park (talk | contribs) uploaded File:Lab3AcuteAppendicitis5.jpg (This photomicrograph of the mucosal surface shows a small area with normal mucosal epithelium (arrow). This area is surrounded by areas of ulceration with an inflammatory infiltrate of lymphocytes and neutrophils.)
- 01:58, 19 August 2013 Seung Park (talk | contribs) uploaded File:Lab3AcuteAppendicitis4.jpg (This is a photomicrograph of the serosal surface of the appendix on the left (1) and the submucosal tissue in the center (2) with remnants of a lymphoid nodule. Surrounding this lymphoid nodule are masses of leukocytes which should not be present in a ...)
- 01:58, 19 August 2013 Seung Park (talk | contribs) uploaded File:Lab3AcuteAppendicitis3.jpg (This is a photomicrograph of an appendix exhibiting acute inflammation. Note that there are only remnants of mucosal tissue identifiable along the luminal border of this specimen. There is an extensive infiltration of leukocytes in this tissue which ca...)
- 01:57, 19 August 2013 Seung Park (talk | contribs) uploaded File:Lab3AcuteAppendicitis2.jpg (This is a low-power photomicrograph of a normal appendix on the right and an appendix with acute inflammatory response on the left. Note the abundant blue-stained lymphoid tissue beneath the mucosal layer and the absence of blue-staining cells in the s...)
- 01:57, 19 August 2013 Seung Park (talk | contribs) uploaded File:Lab3AcuteAppendicitis1.jpg (This is a gross photograph of the appendix which was removed from this patient with acute appendicitis. Note the rough, shaggy material (arrows) on the surface due to deposition of fibrin and inflammatory cells.)
- 01:50, 19 August 2013 Seung Park (talk | contribs) changed group membership for PaulBoothe from (none) to editor
- 23:30, 18 August 2013 Seung Park (talk | contribs) uploaded File:IPLab2Hypertrophy6.jpg (This gross photograph shows an example of normal physiologic hypertrophy. The organs shown are an open uterus (1), cervix (2) and vagina (3), both ovaries (4) and both kidneys (5) from a woman who died shortly after normal delivery from causes unrelate...)
- 23:29, 18 August 2013 Seung Park (talk | contribs) uploaded File:IPLab2Hypertrophy5.jpg (This autopsy specimen was taken from another patient who had cardiac hypertrophy and congestive heart failure that resulted in dilation of the cardiac chambers. This heart was markedly enlarged (700 grams) but the congestive failure leads to dilation o...)
- 23:29, 18 August 2013 Seung Park (talk | contribs) uploaded File:IPLab2Hypertrophy4.jpg (Normal myocardium (left) is compared to hypertrophied myocardium (right). This high power view demonstrates the large dark nuclei (arrow) found in hypertrophied cardiac muscle cells. Polyploidy is a common feature in cardiac hypertrophy. Also note the ...)
- 23:29, 18 August 2013 Seung Park (talk | contribs) uploaded File:IPLab2Hypertrophy3.jpg (Normal myocardium (left) is compared here to hypertrophied myocardium (right). The muscle fibers are thicker and the nuclei are larger and darker in the hypertrophied myocardium.The clear spaces between the muscle fibers are due to processing artifacts...)
- 23:29, 18 August 2013 Seung Park (talk | contribs) uploaded File:IPLab2Hypertrophy2.jpg (This low-power photomicrograph shows normal myocardium (left) compared to hypertrophied myocardium (right).)
- 23:29, 18 August 2013 Seung Park (talk | contribs) uploaded File:IPLab2Hypertrophy1.jpg (This is a gross photograph of a cross section of a normal human heart taken at autopsy (right) and the heart from this case, which demonstrates concentric hypertrophy of the left ventricular wall. Note the marked thickening of the left ventricular wall...)
- 12:58, 17 August 2013 User account PaulBoothe (talk | contribs) was created
- 03:42, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1Prostate6.jpg (This is a higher-power photomicrograph of prostatic epithelium with the TUNEL staining. Note the apoptotic cells (brown nuclei) in the epithelium as well as those floating freely.)
- 03:42, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1Prostate5.jpg (This photomicrograph of prostatic epithelium demonstrates an in situ immunohistochemical technique that is used to identify the DNA fragments characteristic of apoptotic nuclei. This technique, terminal deoxynucleotidyl transferase-mediated dUTP-biotin...)
- 03:41, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1Prostate4.jpg (Still another high-power photomicrograph of the prostatic epithelium demonstrates cells with pyknotic and fragmented nuclei (arrows). Again note the condensed and hypereosinophilic cytoplasm.)
- 03:41, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1Prostate3.jpg (Another high-power photomicrograph of the prostatic epithelium shows cells with pyknotic and fragmented nuclei (arrows). Note that the cytoplasm is condensed and hypereosinophilic.)
- 03:40, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1Prostate2.jpg
- 03:40, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1Prostate1.jpg
- 02:50, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1Tuberculosis8.jpg
- 02:50, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1Tuberculosis7.jpg
- 02:50, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1Tuberculosis6.jpg
- 02:50, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1Tuberculosis5.jpg
- 02:50, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1Tuberculosis4.jpg
- 02:49, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1Tuberculosis3.jpg
- 02:49, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1Tuberculosis2.jpg
- 02:49, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1Tuberculosis1.jpg
- 01:19, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1FatNecrosis9.jpg
- 01:18, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1FatNecrosis8.jpg
- 01:18, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1FatNecrosis7.jpg
- 01:18, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1FatNecrosis6.jpg
- 01:18, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1FatNecrosis5.jpg
- 01:18, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1FatNecrosis4.jpg
- 01:18, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1FatNecrosis3.jpg
- 01:17, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1FatNecrosis2.jpg
- 01:17, 16 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1FatNecrosis1.jpg
- 16:15, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1LungAbscess8.jpg
- 16:15, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1LungAbscess7.jpg
- 16:15, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1LungAbscess6.jpg
- 16:15, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1LungAbscess5.jpg
- 16:15, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1LungAbscess4.jpg
- 16:15, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1LungAbscess3.jpg
- 16:15, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1LungAbscess2.jpg
- 16:14, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1LungAbscess1.jpg
- 15:12, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1KidneyInfarction7.jpg
- 15:12, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1KidneyInfarction6.jpg
- 15:12, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1KidneyInfarction5.jpg
- 15:12, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1KidneyInfarction4.jpg
- 15:12, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1KidneyInfarction3.jpg
- 15:12, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1KidneyInfarction2.jpg
- 15:12, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1KidneyInfarction1.jpg
- 13:50, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1MyocardialInfarction7.jpg
- 13:50, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1MyocardialInfarction6.jpg
- 13:50, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1MyocardialInfarction5.jpg
- 13:50, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1MyocardialInfarction4.jpg
- 13:49, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1MyocardialInfarction3.jpg
- 13:49, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1MyocardialInfarction2.jpg
- 13:49, 15 August 2013 Seung Park (talk | contribs) uploaded File:IPLab1MyocardialInfarction1.jpg
- 14:25, 14 August 2013 Peter Anderson (talk | contribs) uploaded File:Test.jpg (This is a test of the uploading system.)
- 17:19, 8 August 2013 Seung Park (talk | contribs) uploaded a new version of File:Test.mp4 (More testing!)
- 16:24, 8 August 2013 Seung Park (talk | contribs) restored page File:Test.mp3 (1 revision and 1 file restored)
- 16:08, 8 August 2013 Seung Park (talk | contribs) restored page File:Test.mp4 (1 revision and 1 file restored: More testing)
- 15:39, 8 August 2013 Seung Park (talk | contribs) deleted page File:Test.mp4 (Done testing Html5mediator)
- 15:39, 8 August 2013 Seung Park (talk | contribs) deleted page File:Test.mp3 (Done testing Html5mediator)
- 14:57, 8 August 2013 Seung Park (talk | contribs) uploaded File:Test.mp4 (Testing Html5mediator functionality)
- 14:53, 8 August 2013 Seung Park (talk | contribs) deleted page File:Test.flv (Done testing functionality)
- 14:52, 8 August 2013 Seung Park (talk | contribs) uploaded File:Test.mp3 (Testing out Html5mediator)
- 21:44, 7 August 2013 Peter Anderson (talk | contribs) uploaded a new version of File:Test.flv
- 21:29, 7 August 2013 Peter Anderson (talk | contribs) restored page File:Test.flv (1 revision and 1 file restored: Testing functionality)
- 21:15, 7 August 2013 Peter Anderson (talk | contribs) deleted page File:Test.flv (Testing functionality)
- 21:13, 7 August 2013 Peter Anderson (talk | contribs) uploaded File:Test.flv
- 16:59, 29 July 2013 Seung Park (talk | contribs) changed group membership for Peter Anderson from (none) to administrator
- 16:58, 29 July 2013 User account Peter Anderson (talk | contribs) was created