autoantigen

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

noun Immunology.

an antigen of one's own cells or cell products.
Also called self-antigen.

Origin of autoantigen

Medical definitions for autoantigen

autoantigen
[ ô′tō-ăntĭ-jən ]

n.

An endogenous antigen that stimulates the production of autoantibodies.