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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]
Classically, symptoms of hair loss in men include a receding hairline (particularly over the temples, creating a characteristic “M” shape) and signs of balding at the top of the head, referred ...
Pattern hair loss (also known as androgenetic alopecia ( AGA) [ 1]) is a hair loss condition that primarily affects the top and front of the scalp. [ 2][ 3] In male-pattern hair loss ( MPHL ), the hair loss typically presents itself as either a receding front hairline, loss of hair on the crown and vertex of the scalp, or a combination of both.
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]
If a vitamin D deficiency is ruled out, remember there are plenty of things that can cause hair loss. And there are different types of hair loss, too, like male pattern baldness (also known as ...
Uncombable hair syndrome ( UHS) is a rare structural anomaly of the hair with a variable degree of effect. It is characterized by hair that is silvery, dry, frizzy, wiry, and impossible to comb. [ 4] It was first reported in the early 20th century. [ 5] It typically becomes apparent between the ages of 3 months and 12 years. [ 6]
Dermatology. Complications. boil. Ingrown hair is a condition where a hair curls back or grows sideways into the skin. The condition is most prevalent among people who have coarse or curly hair. It may or may not be accompanied by an infection of the hair follicle ( folliculitis) or "razor bumps" ( pseudofolliculitis barbae ), which vary in size.
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]