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alopecia areata

American  
[ar-ee-ey-tuh, -ah-tuh] / ˌær iˈeɪ tə, -ˈɑ tə /

noun

Pathology.
  1. loss of hair in circumscribed patches.


Etymology

Origin of alopecia areata

< New Latin: circumscribed alopecia

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Nektar Therapeutics’ rezpegaldesleukin showed nearly 40% of patients achieving 50% or better improvement in a Phase 2b alopecia areata trial.

From Barron's • Apr. 20, 2026

There are other types of hair loss, like the autoimmune condition alopecia areata, which is treated with JAK inhibitors, steroids or minoxidil.

From MarketWatch • Feb. 25, 2026

One condition is known as alopecia areata which is an autoimmune disease where the body's immune system attacks the hair follicles - causing the hair to fall out.

From BBC • Nov. 5, 2025

Researchers at MIT, Brigham and Women's Hospital, and Harvard Medical School have developed a potential new treatment for alopecia areata, an autoimmune disorder that causes hair loss and affects people of all ages, including children.

From Science Daily • May 9, 2024

Are there any subjective symptoms in alopecia areata?

From Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine by Stelwagon, Henry Weightman