A rounded acidophilic inclusion body, found in the cytoplasm of plasma cells and composed of immunoglobulin.

An antibody that reacts with antigen to form an insoluble precipitate (visible as a sediment in solution or as a line in an agar gel). Also figurative…

Originally: an antiserum produced by the injection of kidney tissue from one species into animals of another species, which causes kidney disease…

(a) any substance which has a toxic effect on the liver; (b) an antibody produced by injecting liver tissue into an animal.

A substance (often an antibody) in blood serum which combines with bacteria or other foreign cells and renders them more susceptible to phagocytosis.

An antibody produced against a constituent of an organism's own tissues; (as a mass noun) antibody of this nature.

Either of two globulins (concanavalin A, B) originally isolated from the jack bean; spec. concanavalin A, a powerful agglutinin of blood.

an antibody elicited by an isoantigen.

In early use more fully atopic reagin. Antibody (in humans, usually IgE) that is responsible for allergic (immediate hypersensitivity) reactions…

(a) a preparation containing antibodies, used to prevent or treat a disease (frequently with distinguishing word) (cf. antiserum, n.); (b) = immunoglo…

Any blood plasma globulin of high molecular weight (usually, greater than 400,000); esp. immunoglobulin M.

Any of a group of glycoproteins, including all known antibodies, characterized by a structure consisting of two identical heavy (higher molecular…

Any of a group of proteins found in the blood and involved in the alternative pathway of complement activation.

long-acting thyroid stimulator.

Any antibody directed against an alloantigen; = isoantibody n. at iso-, comb._form affix 1.

an antibody produced in response to a xenoantigen.

Short for monoclonal antibody n. at compounds.

An antibody that has some of the catalytic properties of an enzyme.