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

V gene segments

Biology; Immunology

The first 95 amino acids or so of immunoglobulin or T-cell receptor V domains are encoded in inherited V gene segments. There are multiple different V gene segments in the ...

coombs test

Biology; Immunology

The Coombs test is a test for antibody binding to red blood cells. Red blood cells that are coated with antibody are agglutinated if they are exposed to an anti-immunoglobulin ...

immediate reaction

Biology; Immunology

During allergic reactions, there are normally two phases: the first happens almost immediately and is called the immediate reaction. Hypersensitivity reactions that occur within ...

xenografts

Biology; Immunology

The use of xenografts, organs from a different species, is being explored as a solution to the severe shortage of human organs for transplantation. The main problem with ...

immunologically privileged sites

Biology; Immunology

Allogeneic tissue placed in certain sites in the body, such as the brain, does not elicit graft rejection. Such sites are called immunologically privileged sites. Immunological ...

naive lymphocytes

Biology; Immunology

Naive lymphocytes are lymphocytes that have never encountered their specific antigen and thus have never responded to it, as distinct from memory or effector lymphocytes. All ...

thoracic duct

Biology; Immunology

The lymph from most of the body, except the head, neck, and right arm, is gathered in a large lymphatic vessel, the thoracic duct, which runs parallel to the aorta through the ...