Arteries of the rectum (Latin)

Arteries of the rectum and canalis analis (posterior view, sacrum removed).The rectum and canalis analis are supplied by the aa. anorectales: a. anorectalis superior/media/inferior (previously known as the aa. rectales/aa. haemorrhoidales). From superior to inferior, these arteries branch from the a. mesenterica inferior, a. iliaca interna and a. pudenda interna, respectively.