Medical Dictionary


noun au·to·an·ti·gen \ˌt-(ˌ)ō-ˈant-i-ˌjen\

Medical Definition of AUTOANTIGEN

:  an antigen that is a normal bodily constituent and against which the immune system produces autoantibodies
au·to·an·ti·gen·ic \-ˌant-i-ˈjen-ik\ adjective


July 04, 2015
stringent Hear it
rigorous, strict, or severe
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears