Disease or Syndrome
alopecia areata
Subclass of:
Alopecia
Definitions related to alopecia areata:
-
An autoimmune condition that appears as patchy hair loss on the scalp that may result in permanent hair loss.Harvard Dictionary of Health TermsHarvard Medical Publishing, 2011
-
Loss of scalp and body hair involving microscopically inflammatory patchy areas.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
-
Alopecia areata is typically sudden patchy nonscarring hair loss in people with no obvious skin or systemic disorder.Merck & Co., Inc., 2020
-
Alopecia areata is a recurrent nonscarring type of hair loss that can affect any hair-bearing area. Clinically, alopecia areata can manifest many different patterns.WebMD, 2019
-
Alopecia areata (AA) is an autoimmune disease in which the immune system mistakenly attacks the hair follicles. In most cases, hair falls out in small, round patches on the scalp. Although uncommon, hair loss can be more extensive in some people and affect other parts of the body. This condition can progress to complete loss of scalp...National Center for Advancing Translational Sciences
-
Alopecia areata (AA) is an autoimmune disease that affects almost 2% of the population in the US. Inflammatory cells target the hair follicle, thus preventing hair growth. Typically, a small round patch of hair is noticed. This patchy hair loss may regrow spontaneously. In other cases there can be extensive patchy hair loss and in rare...Athenahealth, Inc., 2019
Return to OpenMD Medical Dictionary
> A
This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.