alopecia areata

(noun)

A form of alopecia in which hair is lost from various areas of the body.

Related Terms

  • corticosteroid

Examples of alopecia areata in the following topics:

  • Alopecia

    • Alopecia areata is a medical condition, possibly autoimmune, where hair is lost from some or all areas of the body, especially the scalp.
    • Alopecia areata (AA) is a medical condition in which hair is lost from some or all areas of the body.
    • Alopecia areata is thought to be an autoimmune disorder in which the body attacks its own hair follicles and suppresses or stops hair growth.
    • In cases where there is severe hair loss, there has been limited success in treating alopecia areata with oral corticosteroids, corticosteroid injections, or corticosteroid cream.
    • Photographs of men displaying the classic spot baldness of alopecia areata.
  • Hair and Hormones

    • More than 95% of hair thinning in men is due to male pattern baldness or androgenetic alopecia .
    • Androgenic alopecia also occurs in chimpanzee and orangutans.
    • Recent research suggests that elevated levels of the enzyme prostaglandin D2 synthase and its product prostaglandin D2 (PGD2) in hair follicles contribute to androgenetic alopecia.
    • Much research concerns the genetic basis of androgenic alopecia.
    • Androgenic alopecia is polygenetic and appears to have a strong interaction with age as shown by the fact that visible hair loss at a distance is apparent in approximately 80% of males by age 80.
  • Chemotherapy and Hair Loss

    • Therefore, alopecia, or, hair loss, is a common, unwanted effect of chemotherapy.
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