Immunoglobulin

noun

Definitions

Noun
  1. 1
    Any of the glycoproteins in blood serum that respond to invasion by foreign antigens and that protect the host by removing pathogens; an antibody.

    "The recent observation that a heat labile human immunoglobulin, IgE , could mediate the release of both histamine and SRS-Aᵐᵒⁿᵏᵉʸ from primate lung slices (Ishizaka et al., 1969), prompted a re-examination of the biologic activity of rat heat labile homocytotropic antibody."

  2. 2
    a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response wordnet

Etymology

From immuno- + globulin.

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