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The intergluteal cleft or just gluteal cleft, also known by a number of synonyms, including natal cleft and cluneal cleft, is the groove between the buttocks that runs from just below the sacrum to the perineum, [1] so named because it forms the visible border between the external rounded protrusions of the gluteus maximus muscles.
The gluteal sulcus (also known as the gluteal fold, tuck, fold of the buttock, horizontal gluteal crease, or gluteal furrow) is an area of the body of humans and anthropoid apes, described by a horizontal crease formed by the inferior aspect of the buttocks and the posterior upper thigh. [1]
The masses of the gluteus maximus muscle are separated by an intermediate intergluteal cleft or "crack" in which the anus is situated. The buttocks allow primates to sit upright without resting their weight on their feet as four-legged animals do. Females of certain species of baboon have red buttocks that blush to attract males.
In particular, a pilonidal cyst in the gluteal cleft can resemble a sacrococcygeal teratoma. Correct diagnosis is important because all teratomas require consultation with an oncologist and complete surgical excision, if possible without any spillage.
Atypical dimples, on the other hand, have different characteristics. They are larger than 5 mm in size and are located within 2.5 cm of the anus. Atypical dimples can also be deep, positioned above the gluteal crease, located outside the midline, or occur as multiple dimples. [8]
Buttock cleavage is minor exposure of the buttocks and the intergluteal cleft between them, often because of low-rise pants. History
The anterior gluteal line is the middle curved gluteal line on the hip bone. It is the longest of the three gluteal lines, begins at the iliac crest, about 4 cm. behind its anterior extremity, and, taking a curved direction downward and backward, ends at the upper part of the greater sciatic notch.
[3] [4] Coccygeal pits are distinct from congenital dermal sinus as they are found within the gluteal cleft, rather than above the gluteal cleft. [ 3 ] [ 4 ] The caudally orientated coccygeal pits are not associated with intradural pathology and do not need to be excised, unlike the cephalically oriented tracts of the congenital dermal sinus ...