臀沟 meaning in English

gluteal fold
gluteal furrow
gluteal groove
gluteal sulcus
natal cleft
sulcus gluteus

Before the operative field in the region of the lower lumbar spine , sacroiliac joints , or buttocks is prepared , the gluteal cleft is sponged with alcohol , and sterile dry gauze is inserted about the anus so that iodine or other solutions are prevented from running down to this region , causing dermatitis
下腰椎区、骶髂关节或臀部等术野消毒前，先用酒精消毒臀沟，并用无菌干纱布填塞肛门周围，以防止碘酊或其他消毒液流人该区而导致皮炎或烧伤。
With the hand ok and apparent feeling arrives ( buttock channel upside slants a side ) , the eye also can see all round the skin has grind chrysalis regularly , when standing naturally spend gently bow - backed , feel oneself is coccygeal needle in ache when sit - ups ( did afore - mentioned semiotic people already grow up 25 years old ) whether to need treatment
用手可以明显触摸到（臀沟上部偏一侧），眼睛也可看到四周皮肤有经常性的磨茧，自然站立时轻度驼背，自感作仰卧起坐时尾骨尖处疼痛（上述症状人已成年25岁）是否需要治疗？