antibody

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noun an·ti·body \ˈan-ti-ˌbä-dē\

Definition of antibody

  1. :  any of a large number of proteins of high molecular weight that are produced normally by specialized B cells after stimulation by an antigen and act specifically against the antigen in an immune response, that are produced abnormally by some cancer cells, and that typically consist of four subunits including two heavy chains and two light chains —called also immunoglobulin

Recent Examples of antibody from the Web

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First Known Use of antibody

1894

Other Biochemistry Terms


ANTIBODY Defined for English Language Learners

antibody

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noun

Definition of antibody for English Language Learners

  • medical : a substance produced by the body to fight disease


ANTIBODY Defined for Kids

antibody

play
noun an·ti·body \ˈan-ti-ˌbä-dē\

Definition of antibody for Students

plural

antibodies

  1. :  a substance produced by special cells of the body that counteracts the effects of a disease germ or its poisons


Medical Dictionary

antibody

play
noun an·ti·body \ˈant-i-ˌbäd-ē\

Medical Definition of antibody

plural

antibodies

  1. :  any of a large number of proteins of high molecular weight that are produced normally by specialized B cells after stimulation by an antigen and act specifically against the antigen in an immune response, that are produced abnormally by some cancer cells, and that typically consist of four subunits including two heavy chains and two light chains—called also immunoglobulin

Illustration of antibody



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