The posterior portion of the perineal region through which the anal canal opens; bounded by a line through both isehial tuberosities, the sacrotuberous ligaments and the coccyx.
Synonyms: regio analis, anal region.
(05 Mar 2000)
anal sac, anal sacs, anal sinuses, anal sphincter < Prev | Next >
anal valves, anal verge, analysand
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