https://en.wiktionary.org/wiki/natal_cleft

English[edit]. Noun[edit]. natal cleft (plural natal clefts). (anatomy) The groove between the buttocks that runs from just below the sacrum to the perineum.

https://en.wikipedia.org/wiki/Intergluteal_cleft

The intergluteal cleft, also known medically by various synonyms and colloquially as the butt ... Medical synonyms for the intergluteal cleft include gluteal cleft, natal cleft, anal cleft, clunial cleft, crena analis, crena ani, crena interglutealis, and ...

https://www.theguardian.com/lifeandstyle/2011/dec/12/mapping-body-natal-cleft

Dec 12, 2011 ... Hairs shed from the back and buttocks find their way into the natal cleft and can get caught in these pits. During movement, friction causes the ...

https://www.sciencedirect.com/topics/medicine-and-dentistry/intergluteal-cleft

The intergluteal cleft is also a common site, and is frequently overlooked. ... anus, the VACTERL syndrome (vertebral anomalies, anal atresia, cardiac anomalies, ...

https://medical-dictionary.thefreedictionary.com/natal+cleft

This includes the anus, breast (including the nipple and areola), buttock, natal cleft (the cleft between the buttocks), penis (including the foreskin), perineum, ...

https://www.revolvy.com/page/Intergluteal-cleft

Medical synonyms for the intergluteal cleft include gluteal cleft, natal cleft, anal cleft, clunial cleft, crena analis, crena ani, crena interglutealis, and rima ani.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4692939/

Sep 29, 2012 ... The natal cleft and buttock movement exert a suction effect, collecting fallen body hairs. These, along with regrown hairs, are probably driven ...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6093273/

Jun 14, 2018 ... We included patients who had acute and chronic pilonidal disease in the natal cleft of the gluteal area irrespective of age and gender.

https://www.imaios.com/en/e-Anatomy/Anatomical-Parts/Intergluteal-cleft-Natal-cleft

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http://enacademic.com/dic.nsf/enwiki/1165075/Gluteal_cleft

The gluteal cleft, natal cleft or anal cleft is the groove or crack between the buttocks that runs from just below the sacrum to the perineum , so named because it ...