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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

azathioprine

Biology; Immunology

A potent immunosuppresive drug that is converted to its active form in vivo and then kills rapidly proliferating cells, including lymphocytes responding to grafted tissues.

B lymphocyte (B cell)

Biology; Immunology

The precursor of an antibody-forming plasma cell; expresses immunoglobulin on its surface.

B7 protein

Biology; Immunology

A costimulatory homodimeric immunoglobulin superfamily protein whose expression is restricted to the surface of accessory cells (e.g. B cells and macrophages) that interact with T ...

bare lymphocyte syndrome

Biology; Immunology

Failure to express class I HLA-A, -B, or -C major histocompatibility antigens due to defective β 2 microglobulin expression on the cell surface. In some individuals, the class II ...

basophils

Biology; Immunology

White blood cells containing granules that stain with basic dyes. They are thought to have a function similar to mast cells.

bacille Calmette-Guerin (BCG)

Biology; Immunology

A Mycobacterium bovis strain that has long been used in Europe as a vaccine against tuberculosis, but has not gained popularity in the U.S.

Bence-Jones protein

Biology; Immunology

Dimers of immunoglobulin light chains in the urine of patients with multiple myeloma.