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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 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.
Also in the fetus and newborn, the anus may be imperforate. [ citation needed ] Later complications of the mass effect and/or surgery may include neurogenic bladder , other forms of urinary incontinence , fecal incontinence , and other chronic problems resulting from accidental damage to or sacrifice of nerves and muscles within the pelvis. [ 5 ]
Complications without treatment can include arthritis, limping, and low back pain. [3] Females are affected more often than males. [1] Risk factors for hip dysplasia include female sex, family history, certain swaddling practices, and breech presentation whether an infant is delivered vaginally or by cesarean section. [3]
The shape of the posterior muscular and adipose tissues seems to correspond with the general pelvic morphology. The classification is as follows: the gynecoid pelvis corresponds to a round buttocks shape, the platypelloid pelvis to a triangle shape, the anthropoid pelvis to a square shape and the android pelvis to a trapezoidal gluteus region. [9]
A wide variety of abnormalities of the hands and feet, including the nails and the creases of the hand, have been described and differentiated. [4] Many of these abnormalities do not have an impact on function but may be useful in diagnosing genetic syndromes; for example, the single transverse palmar crease is commonly associated with Down ...
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The predominant clinical symptoms of wrinkly skin syndrome are wrinkled and inelastic skin over the face, backs of hands/fingers, tops of feet, and abdomen; delayed closure of the fontanelle (baby's soft spot), and increased palmar and plantar creases in the hands and feet, respectively. [1]