Medical Term:
anorectal flexure
Definition: the anteroposterior curve or angle, with convesity directed anteriorly, of the anorectal junction; tonus of the puborectalis (muscle) produces the angle for maintaining fecal continence; relaxation of the muscle allows the angle to be reduced for defecation.
Synonym(s): flexura anorectalisTA, flexura perinealis (canalis ani), perineal flexure of anal canal, anorectal angle, perineal flexure of rectum
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