title: Physiologic factors affecting defecatory sensation: relation to aging.
mesh_terms: D000328:Adult; D000367:Age Factors; D000818:Animals; D003672:Defecation; D004106:Dilatation; D006801:Humans; D008875:Middle Aged; D011312:Pressure; D012007:Rectum / Q000502:physiology*; D012018:Reflex; D012677:Sensation