股溝(英語:intergluteal cleft),又做屁溝,是兩之間的凹槽,由骶骨下方一直延伸到會陰部,是臀大肌之間的可見邊界,因此稱為股溝,股溝在肛門的上方。

向內生長的毛髮會阻礙股溝的毛囊,形成刺激性的異物反應,造成藏毛囊腫英語Pilonidal cyst。也可能會再在皮膚上開另一個開口,分泌有惡臭的分泌物,即為所謂的藏毛竇。

股溝

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