Medical Dictionary

rectal artery

noun

Medical Definition of rectal artery

  1. :  any of three arteries supplying especially the rectum:a:  one arising from the internal pudendal artery and supplying the lower part of the rectum and the perineal region—called also inferior hemorrhoidal artery, inferior rectal arteryb:  one arising from the internal iliac artery and supplying the middle part of the rectum—called also middle hemorrhoidal artery, middle rectal arteryc:  one that is a continuation of the inferior mesenteric artery and that supplies the upper part of the rectum—called also superior hemorrhoidal artery, superior rectal artery


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