Surgical significance of the anorectal musculature.
D001003:Anal Canal / Q000601:surgery*; D013505:Digestive System Surgical Procedures; D006801:Humans; D007420:Intestine, Large; D007422:Intestines; D009132:Muscles; D010388:Pelvis; D010502:Perineum; D012007:Rectum / Q000601:surgery*
ANUS/surgery; PERINEUM/muscles; RECTUM/surgery