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anus[a´nus] (pl. a´nus)
a·nus, gen. and pl.
ani(ā'nŭs, -nī), [TA]
anus(a´nus) pl. a´ni the opening of the rectum on the body surface; the distal orifice of the alimentary canal.
anusThe anatomic structure which opens to the rectum. It is covered by squamous epithelium and is susceptible to HPV and other infections.
a·nus, gen. and pl. ani (ā'nŭs, ā'nī) [TA]
anusThe short terminal portion of the ALIMENTARY CANAL which contains two SPHINCTERS by means of which the contents of the RECTUM are retained until they can conveniently be discharged as faeces. Between the sphincters are 6 to 10 vertical columns of mucous membrane containing plexuses of veins. These press together to form watertight seals.
anusthe posterior opening of the ALIMENTARY CANAL, often surrounded by a ring of muscle called the anal SPHINCTER, which is under nervous control (see AUTONOMIC NERVOUS SYSTEM and which regulates the release of gut contents to the outside (DEFECATION).
Patient discussion about anus
Q. Pulling pain in anus. Dear friends, I am 32. I feel a Pulling pain in anus sometimes while i finish passing stool and some times when i sit for long time. No bleeding so far. Is it a symptoms of piles? If so what can be done to cure it without going to doctor or operation. Please help me. This pain makes me to feel that i am very old.
but i wouldn't get my hopes high.