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Hirsutism is a type of hypertrichosis exclusive to women and children, resulting from an excess of androgen-sensitive hair growth. [16] Patients with hirsutism exhibit patterns of adult male hair growth. [1] Chest and back hair are often present on women with hirsutism. [16] Hirsutism is both congenital and acquired.
Prepubertal hypertrichosis is characterized by an excess of hair growth, seen during birth and progressing during childhood. [3] [6] In generalized hypertrichosis, excessive hair growth occurs all over the body, whereas in localized hypertrichosis, excessive hair growth only occurs in certain areas of the body. [2]
Hair diseases are illnesses that impact the persistence and regular growth of hair. Types of hair diseases include folliculitis , hirsutism , hypertrichosis , hypotrichosis ( alopecia ), Menkes kinky hair syndrome , monilethrix , and piedra .
Hirsutism is excessive body hair on parts of the body where hair is normally absent or minimal. The word is from early 17th century: from Latin hirsutus meaning "hairy". [2] It usually refers to a male pattern of hair growth in a female that may be a sign of a more serious medical condition, [3] especially if it develops well after puberty. [4]
About 30% of MNK cases are due to new mutations and 70% are inherited, almost always from the mother. [7] Even though the disease is more common in males, females can still be a carrier of the disease. As the result of a mutation in the ATP7A gene, copper is poorly distributed to cells in the body.
It results in common Waardenburg syndrome symptoms such as abnormal hair and skin pigmentation and heterochromia, but also present with symptoms of Hirschsprung's disease. [citation needed] Symptoms include abdominal pain and bowel obstruction. Waardenburg syndrome type 4A is the rarest among the types, appearing only once in about every ...
Ectodermal Dysplasia (ED) refers to a group of genetic disorders characterized by the abnormal development or function of two or more structures that originate from the ectoderm, the outer layer of an embryo. These structures include hair, teeth, nails, and sweat glands, all of which may develop abnormally in people with ED.
Hair growth within the ear canal is often observed to increase in older men, [3] together with increased growth of nose hair. [4] Excessive hair growth within or on the ear is known medically as auricular hypertrichosis. [5] Some men, particularly in the male population of India, have coarse hair growth along the lower portion of the helix, a ...