DIAGRAM: GASTROINTESTINAL: GI: ARTERY: Pathogenesis of Atherosclerosis - 4 of 13; A=Granulocyte, B=Lipoprotein, C=T Lymphocyte, D=Monocyte -- Damage to the endothelium allows increased penetration of lipids and lipoproteins, blood cells, and hormones into the subendothelial space. Monocytes begin to adhere to the endoth