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

serum sickness

Biology; Immunology

A type III hypersensitivity reaction resulting from deposition of circulating, soluble, antigen-antibody complexes leading to complement and neutrophil activation in tissues such ...

severe combined immune deficiency (SCID)

Biology; Immunology

Disease resulting from early block in differentiation pathways of both B and T lymphocytes.

signal transducers and activators of transcription (STATs)

Biology; Immunology

Intracellular proteins phosphorylated by Janus kinases as a consequence of cytokine-cytokine receptor engagement.

signal transduction

Biology; Immunology

Processes involved in transmitting the signal received on the outer surface of the cell (e.g., by antigen binding to its receptor) into the nucleus of the cell, which lead to ...

slow-reacting substance of anaphylaxis (SRS-A)

Biology; Immunology

A group of leukotrienes released by mast cells during anaphylaxis that induces a prolonged contraction of smooth muscle.

somatic gene conversion

Biology; Immunology

nonreciprocal exchange of sequences between genes: part of the donor gene or genes is "copied" into an acceptor gene, but only the acceptor gene is altered; mechanism for ...

somatic hypermutation

Biology; Immunology

Change in the variable region sequence of an antibody produced by a B cell following antigenic stimulation, resulting in increased antibody affinity for antigen.