Definition of Antibody

1. Noun. Any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response.

Definition of Antibody

1. n. Any of various bodies or substances in the blood which act in antagonism to harmful foreign bodies, as toxins or the bacteria producing the toxins. Normal blood serum apparently contains variousantibodies, and the introduction of toxins or of foreign cells also results in the development of their specific antibodies.

Definition of Antibody

1. Noun. (immunology) A protein produced by B-lymphocytes that binds to a specific antigen. ¹

¹ Source:

Definition of Antibody

1. a body protein that produces immunity against certain microorganisms or toxins [n -BODIES]

Medical Definition of Antibody

1. An immunoglobulin molecule that has a specific amino acid sequence by virtue of which it interacts only with the antigen that induced its synthesis in cells of the lymphoid series (especially plasma cells) or with antigen closely related to it. Antibodies are classified according to their ode of action as agglutinins, bacteriolysins, haemolysins, opsonins, precipitins, etc. (18 Nov 1997)

Lexicographical Neighbors of Antibody

antibiotic sensitivity test
antibody (current term)
antibody-dependent cell cytotoxicity
antibody-dependent enhancement
antibody-forming cell
antibody affinity
antibody aldolase
antibody combining site
antibody deficiency disease
antibody deficiency syndrome
antibody diversity
antibody excess
antibody induced lysis
antibody producing cell
antibody specificity
antibody technology

Literary usage of Antibody

Below you will find example usage of this term as found in modern and/or classical literature:

1. Science by American Association for the Advancement of Science (1883)
"Since this difference in response did not appear to be related to serum antibody, we turned our attention to the potential role of 115 IgA respiratory tract ..."

2. Proceedings of the Society for Experimental Biology and Medicine (1903)
"S 104 01 Stockholm 60 Sweden antibody responses against a variety of antigens ... Such thymus-dependent antibody responses have been extensively studied in ..."

3. The Journal of Comparative Pathology and Therapeutics (1888)
"The initial antibody response was detected 12 days after infection and the ... antibody levels after the 63 day period showed some variation according to ..."

4. Chemical Abstracts by American Chemical Society (1916)
"Ppts. contain both antigen and antibody as shown by the fact that they sensitize both actively and passively. If ppts. are treated with salt sohi. in the ..."

5. Contributions to Medical and Biological Research by William Osler (1919)
"I have also noted (2) that in dogs splenectomy just before the injection of foreign blood was followed by a lower but otherwise typical antibody curve than ..."

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