HyperDic: musculus_sphincter_ani_internus

English > 1 sense of the expression musculus sphincter ani internus:
NOUNbodymusculus sphincter ani internusan internal ring of smooth muscle formed by circular fibers of the rectum
English > musculus sphincter ani internus: 1 sense > noun 1, body
MeaningAn internal ring of smooth muscle formed by circular fibers of the rectum.
Part ofanal sphincter, sphincter ani, musculus sphincter aniThe sphincter muscle of the anus
Broadersmooth muscle, involuntary muscleA muscle that contracts without conscious control and found in walls of internal organs such as stomach and intestine and bladder and blood vessels (excluding the heart)

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