Medical Dictionary
autoantigen
noun au·to·an·ti·gen \ˌȯt-(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
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