Intergluteal cleft

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The intergluteal cleft, also known medically by various synonyms and colloquially as the butt crack or ass crack, is the groove between the buttocks that runs from just below the sacrum to the perineum, so named because it forms the visible border between the external rounded protrusions of the gluteus maximus muscles. The intergluteal cleft is located superior to the anus.

Synonyms[edit]

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

See also[edit]

External links[edit]