A05_7_05_012

括約筋間溝Intersphincteric groove(Sulcus intersphinctericus analis)

括約筋間溝【かつやくきんかんこう】 Palpable groove below the anocutaneous line where connective-tissue fibers from the muscular coat of the rectum end and blend with connective-tissue fibers from the levator ani muscle.

岡島解剖学

Pocket atlas of human anatomy

ネッター解剖学図譜

 

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