noun
puborectalis; puborectal muscle
Anatomical term for the muscle that forms a sling around the rectum, part of the levator ani group.
恥骨直腸筋は排便のコントロールに重要な役割を果たす。
The puborectalis muscle plays an important role in controlling defecation.
Compound of 恥骨 (pubis) + 直腸 (rectum) + 筋 (muscle). The derivation is transparent from its components.