Hair diseases

state where most or all of hair from the head has been lost or intentionally removed

condition in which hair is lost from some or all areas of the body

Hypertrichosis (sometimes known as werewolf syndrome or Ambras syndrome) 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. Hypertrichosis can be either congenital (present at birth) or acquired later in life. The excess growth of hair occurs in areas of the skin with the exception of androgen-dependent hair of the pubic area, face, and axillary regions.

hair loss due to susceptibility of hair follicles to androgenic miniaturization

Human disease

Trichophagia is a form of disordered eating in which persons with the disorder suck on, chew, swallow, or otherwise eat hair. The term is derived from ancient Greek θρίξ, ("hair") and φαγεῖν, ("to eat"). Tricho- refers only to the chewing of hair, whereas tricho- is ingestion of hair, but many texts refer to both habits as just trichophagia. It is considered a chronic psychiatric disorder of impulse control. Trichophagia belongs to a subset of pica disorders and is often associated with trichotillomania, the compulsive pulling out of ones own hair. People with trichotillomania often also have

hair condition

Human disease

French woman with human excessive hair growth (1588-?)

human disease

Monilethrix (also referred to as beaded hair) is a rare autosomal dominant hair disease that results in short, fragile, broken hair that appears beaded. It comes from the Latin word for necklace (monile) and the Greek word for hair (thrix). Hair becomes brittle, and breaks off at the thinner parts between the beads. It appears as a thinning or baldness of hair and was first described in 1897 by Walter Smith

superficial mycosis that is a superficial fungal infection of the hair shaft caused by Piedraia hortae

Alopecia totalis is a form of alopecia areata, an inflammatory disease of the hair follicle, characterized by a complete loss of hair of the entire scalp which becomes glabrous

medical condition

Frontal fibrosing alopecia (FFA) is a rare variant of lichen planopilaris (see this term) characterized by symmetrical, progressive, band-like anterior hair loss of the scalp