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Medical genetics. 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. [ 1]
The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. [3] Within the latter type, the hairs occur in structures called pilosebaceous units, each with hair follicle, sebaceous gland, and associated arrector pili muscle. [4]
Hypertrichosis (often mistakenly classified as hirsutism) is a well documented condition in horses with a hormonal disorder of the hypothalamus, called Cushing's disease. It is the most common endocrine disease of the middle-aged to older horse, often resulting in fatal laminitis.
50% of males, 25% of females (pattern hair loss by age 50) [ 4][ 6] Hair loss, also known as alopecia or baldness, refers to a loss of hair from part of the head or body. [ 2] Typically at least the head is involved. [ 4] The severity of hair loss can vary from a small area to the entire body. [ 7] Inflammation or scarring is not usually ...
Pages in category "Hair diseases" The following 28 pages are in this category, out of 28 total. This list may not reflect recent changes. A. Alopecia areata;
Waardenburg syndrome is a group of rare genetic conditions characterised by at least some degree of congenital hearing loss and pigmentation deficiencies, which can include bright blue eyes (or one blue eye and one brown eye ), a white forelock or patches of light skin. These basic features constitute type 2 of the condition; in type 1, there ...
Alopecia universalis (AU), also known as alopecia areata universalis, is a medical condition involving the loss of all body hair, including eyebrows, eyelashes, chest hair, armpit hair, and pubic hair. It is the most severe form of alopecia areata (AA). [ 1] People with the condition are usually healthy and have no other symptoms and a normal ...
Head lice infestation, also known as pediculosis capitis, is the infection of the head hair and scalp by the head louse ( Pediculus humanus capitis ). [ 6] Itching from lice bites is common. [ 5] During a person's first infection, the itch may not develop for up to six weeks. [ 5]