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Intergluteal cleft
Crack between buttocks From Wikipedia, the free encyclopedia
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The intergluteal cleft is the groove between the buttocks that runs from just below the sacrum to the perineum, containing the anus.[1] Other formal names include the gluteal cleft, natal cleft, cluneal cleft, anal cleft, crena analis, crena interglutealis, and rima ani. Colloquially, the intergluteal cleft is known as bum crack (UK) or butt crack (US). The name "intergluteal cleft" is used because it forms the visible border between the external rounded protrusions of the gluteus maximus muscles.
There are several disorders that can affect the intergluteal cleft including inverse psoriasis,[2][3] caudal regression syndrome,[4] and pilonidal disease.
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See also
- Anal canal
- Anatomical terms of location
- Buttock cleavage
- Rectum
- Thong – Garment worn as underwear or as part of a swimsuit
- Whale tail – Part of a thong or G-string
References
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