blood vessel endothelial cell count 2010-06-17T10:33:11Z The enumeration, i.e. measurement of the total number, of the specialized liner cells that form an interface between the circulating blood and the rest of the vessel wall in a specified sample of blood vessel, any one of the network of muscular tubes that carry blood through the body. blood vessel endothelial cell number mshimoyama vascular endothelial cell count blood vessel endothelium measurement