occurs in occurs in endothelial cell apoptotic process endothelial cell apoptotic process programmed cell death, endothelial cells programmed cell death of endothelial cells by apoptosis Any apoptotic process in an endothelial cell. An endothelial cell comprises the outermost layer or lining of anatomical structures and can be squamous or cuboidal. endothelial cell programmed cell death by apoptosis 2011-02-02T03:56:24Z GO:0072577 biological_process endothelial cell apoptosis mah killing of endothelial cells apoptosis of endothelial cells epithelial cell apoptotic process