Pericytes are specialised cells found in association with capillary blood vessels throughout the body. They are an essential component of the microvascular system, playing a crucial role in maintaining the structure and function of small blood vessels, particularly capillaries. Pericytes are located on the outer surface of capillaries, where they make contact with endothelial cells—the cells that line the inner surface of blood vessels.

Unit 7,

Reference: Zheng Z, Chopp M, Chen J. Multifaceted roles of pericytes in central nervous system homeostasis and disease. J Cereb Blood Flow Metab. 2020;40(7):1381-1401.