X-linked hypertrichosis, also known as X-linked congenital generalized hypertrichosis, is a hereditary disorders characterized by
generalized congenital hypertrichosis
A generalization is a form of abstraction whereby common properties of specific instances are formulated as general concepts or claims. Generalizations posit the existence of a domain or set of elements, as well as one or more common character ...
and thick
eyebrows
An eyebrow is an area of short hairs above each Human eye, eye that follows the shape of the lower margin of the Supraorbital ridge, brow ridges of some mammals. In humans, eyebrows serve two main functions: first, human communication, communica ...
.
Signs and symptoms
Hypertrichosis
Hypertrichosis is an abnormal amount of hair growth over the body. The two distinct types of hypertrichosis are generalized hypertrichosis, which occurs over the entire body, and localized hypertrichosis, which is restricted to a certain area. H ...
is characterized as excessive hair growth anywhere on the body, in either men or women.
X-linked hypertrichosis affects males more than females.
Causes
X-linked hypertrichosis was first mapped in chromosome Xq24-q27.1 in a Mexican family; however, the underlying genetic facts remain unknown.
X-linked hypertrichosis is inherited in an X-linked dominant pattern of inheritance.
See also
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Generalized hyperhidrosis
Hyperhidrosis is a condition characterized by abnormally increased sweating, in excess of that required for regulation of body temperature. Although primarily a benign physical burden, hyperhidrosis can deteriorate quality of life from a psychologi ...
*
List of cutaneous conditions
Many skin conditions affect the human integumentary system—the organ system covering the entire surface of the body and composed of skin, hair, nails, and related muscle and glands. The major function of this system is as a barrier against t ...
Further reading
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External links
References
Conditions of the skin appendages
{{Disorders of skin appendages