Biology

Biology

A natural science concerned with the study of life or living matter in all its forms and phenomena, especially in relation to their origin, growth, reproduction, structure, behaviour and evolution.

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Biology > Immunology

immune complex

Biology; Immunology

Molecules formed by the interaction of a soluble (that is, non-particulate) antigen with antibody molecules. Large immune complexes are cleared rapidly, but smaller complexes ...

immune modulators

Biology; Immunology

Substances that control the level of the immune response.

immunity

Biology; Immunology

The general term for resistance to a pathogen.

immunodeficiency

Biology; Immunology

Decrease in immune response that results from absence or defect of some component of the immune system.

immunodiffusion

Biology; Immunology

Identifies antigen or antibody by the formation of antigen-antibody complexes in a gel.

immunogen

Biology; Immunology

A substance capable of inducing an immune response (as well as reacting with the products of an immune response). Compare with antigen.

immunoglobulin (Ig)

Biology; Immunology

A general term for all antibody molecules: IgM, IgD, IgG, IgA, IgE; each Ig unit is made up of two heavy chains and two light chains and has two antigen-binding sites.