autoantibody

[ aw-toh-an-ti-bod-ee, -an-tee- ]
/ ˌɔ toʊˈæn tɪˌbɒd i, -ˈæn ti- /

noun, plural au·to·an·ti·bod·ies. Immunology.

an antibody that an organism produces against any of its own tissues, cells, or cell components.

Origin of autoantibody

First recorded in 1905–10; auto-1 + antibody

British Dictionary definitions for autoantibody

autoantibody
/ (ˌɔːtəʊˈæntɪˌbɒdɪ) /

noun plural -bodies

an antibody reacting with an antigen that is a part of the organism in which the antibody is formed

Medical definitions for autoantibody

autoantibody
[ ô′tō-ăntĭ-bŏd′ē ]

n.

An antibody that attacks the cells, tissues, or native proteins of the organism in which it was formed.

Scientific definitions for autoantibody

autoantibody
[ ô′tō-ăntĭ-bŏd′ē ]

An antibody that reacts with the cells, tissues, or native proteins of the individual in which it is produced. Autoimmune diseases are caused by the presence of autoantibodies.