Gluteal cleft
Encyclopedia
The intergluteal cleft, also known as the natal cleft, the vertical gluteal crease, and the gluteal cleft, 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 muscle
s. The intergluteal cleft is located directly above the anus
.
Buttocks
The buttocks are two rounded portions of the anatomy, located on the posterior of the pelvic region of apes and humans, and many other bipeds or quadrupeds, and comprise a layer of fat superimposed on the gluteus maximus and gluteus medius muscles. Physiologically, the buttocks enable weight to...
that runs from just below the sacrum
Sacrum
In vertebrate anatomy the sacrum is a large, triangular bone at the base of the spine and at the upper and back part of the pelvic cavity, where it is inserted like a wedge between the two hip bones. Its upper part connects with the last lumbar vertebra, and bottom part with the coccyx...
to the perineum
Perineum
In human anatomy, the perineum is a region of the body including the perineal body and surrounding structures...
, so named because it forms the visible border between the external rounded protrusions of the gluteus maximus muscle
Gluteus maximus muscle
The gluteus maximus is the largest and most superficial of the three gluteal muscles...
s. The intergluteal cleft is located directly above the anus
Anus
The anus is an opening at the opposite end of an animal's digestive tract from the mouth. Its function is to control the expulsion of feces, unwanted semi-solid matter produced during digestion, which, depending on the type of animal, may be one or more of: matter which the animal cannot digest,...
.
See also
- ButtocksButtocksThe buttocks are two rounded portions of the anatomy, located on the posterior of the pelvic region of apes and humans, and many other bipeds or quadrupeds, and comprise a layer of fat superimposed on the gluteus maximus and gluteus medius muscles. Physiologically, the buttocks enable weight to...
- Gluteal musclesGluteal musclesThe gluteal muscles are the three muscles that make up the buttocks: the gluteus maximus muscle, gluteus medius muscle and gluteus minimus muscle.-The gluteal muscles:...
- RectumRectumThe rectum is the final straight portion of the large intestine in some mammals, and the gut in others, terminating in the anus. The human rectum is about 12 cm long...