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

antigen processing

Biology; Immunology

The degradation of proteins into peptides that can bind to MHC molecules for presentation to T cells. All protein antigens must be processed into peptides before they can be ...

antigen receptor

Biology; Immunology

The specific antigen-binding receptor on T or B lymphocytes; these receptors are transcribed and translated from rearrangements and translocation of V, D, and J genes.

antigen-binding site

Biology; Immunology

The part of an immunoglobulin molecule or T-cell receptor that binds antigen specifically.

antigenic determinant

Biology; Immunology

A single antigenic site or epitope on a complex antigenic molecule or particle.

antigen-presenting cell (APC)

Biology; Immunology

A specialized type of cell, bearing cell-surface class II MHC (major histocompatibility complex) molecules, involved in processing and presentation of antigen to T cells.

anti-immunoglobulin antibodies

Biology; Immunology

Antibodies against immunoglobulin constant domains that are useful for detecting bound antibody molecules in immunoassays and other applications.

antiserum

Biology; Immunology

The fluid component of clotted blood from an immune individual that contains a heterogeneous collection of antibodies against the molecule used for immunization. Such antibodies ...