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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

coding joint
Biology; Immunology

A coding joint is formed by the imprecise joining of a V gene segment to a (D)J gene segment in immunoglobulin or T-cell receptor genes.

immunoglobulin G (IgG)
Biology; Immunology

IgG is the class of immunoglobulin characterized by γ heavy chains. It is the most abundant class of immunoglobulin found in the plasma.

common lymphoid progenitors
Biology; Immunology

Common lymphoid progenitors are stem cells that give rise to all lymphocytes. They are derived from pluripotent hematopoietic stem cells.

CD3 complex
Biology; Immunology

The CD3 complex is the complex of α:β or γ:δ T-cell receptor chains with the invariant subunits CD3γ, δ, and ε, and the dimeric ζ chains.

oral tolerance
Biology; Immunology

The feeding of foreign antigens leads typically to a state of specific and active unresponsiveness, a phenomenon known as oral tolerance.

complement degraded fragments 3 (C3dg)
Biology; Immunology

C3dg is a breakdown product of C3b that remains attached to the microbial surface, where it can bind to CD21, the complement receptor CR2.

leukotrienes
Biology; Immunology

Leukotrienes are lipid mediators of inflammation that are derived from arachidonic acid. They are produced by macrophages and other cells.

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