{| class="wikitable plainlinks"|-<gallery>!Image!Legend|-| [[ImageFile:IPLab1Prostate1.jpg|frameless]]| This is a low-power photomicrograph of a normal area from this patient's prostate. Note the corpora amylacea (arrow).|-| [[ImageFile:IPLab1Prostate2.jpg|frameless]]| This high-power photomicrograph of the prostatic epithelium shows occasional cells with pyknotic fragmented nuclei (arrows).|-| [[ImageFile:IPLab1Prostate3.jpg|frameless]]| Another high-power photomicrograph of the prostatic epithelium shows cells with pyknotic and fragmented nuclei (arrows). Note that the cytoplasm is condensed and hypereosinophilic.|-| [[ImageFile:IPLab1Prostate4.jpg|frameless]]| Still another high-power photomicrograph of the prostatic epithelium demonstrates cells with pyknotic and fragmented nuclei (arrows). Again note the condensed and hypereosinophilic cytoplasm.|-| [[ImageFile:IPLab1Prostate5.jpg|frameless]]| 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 nick end-labeling (TUNEL) is used to identify apoptotic cells (arrows) in histology sections.|-| [[ImageFile:IPLab1Prostate6.jpg|frameless]]| 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.|}</gallery>