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

carriers

Biology; Immunology

Carriers are foreign proteins to which small nonimmunogenic antigens, or haptens, can be coupled to render the hapten immunogenic. In vivo, self proteins can also serve as ...

somatic recombination

Biology; Immunology

During lymphocyte development, receptor gene segments undergo somatic recombination to generate intact V-region exons that encode the V region of each immunoglobulin and T-cell ...

natural killer cells

Biology; Immunology

Natural killer cells (NK cells) are large granular, non-T, non-B lymphocytes, which kill certain tumor cells. NK cells are important in innate immunity to viruses and other ...

original antigenic sin

Biology; Immunology

Original antigenic sin describes the tendency of humans to make antibody responses to those epitopes shared between the original strain of a virus and subsequent related viruses, ...

complement component 6 and 7 (C6, C7)

Biology; Immunology

The complement components C6, C7, and C8 form a complex with the active complement fragment C5b in the late events of complement activation. This complex inserts into the membrane ...

H antigens

Biology; Immunology

H antigens or histocompatibility antigens, are known as major histocompatibility antigens when they encode molecules that present foreign peptides to T cells and as minor H ...

memory cells

Biology; Immunology

Memory cells are the lymphocytes that mediate immunological memory. They are more sensitive to antigen than are naive lymphocytes and respond rapidly on reexposure to the antigen ...