[ aw-toh-an-ti-juh n, -jen ]
/ ˌɔ toʊˈæn tɪ dʒən, -ˌdʒɛn /

noun Immunology.

an antigen of one's own cells or cell products.

Origin of autoantigen

Also called self-antigen. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for autoantigen

[ ô′tō-ăntĭ-jən ]


An endogenous antigen that stimulates the production of autoantibodies.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.