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Pruebas
The determination of the ratio of a sub-population of lymphocytes to a sub-population of lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Pruebas
The number of lymphocytes found in a given volume of blood.
Pruebas
The measurement of the number of helper T lymphocytes, which are T lymphocytes that express CD4, in a cubic millimeter of blood. It is calculated by multiplying 1000 by both the total leukocyte count and the percent of helper T cells in the differential leukocyte count.
Pruebas
The measurement of the number T lymphocytes, which are leukocytes that express CD3, in a cubic millimeter of blood. It is calculated by multiplying 1000 by both the total leukocyte count and the percent of T cells in the differential leukocyte count.
Pruebas
The measurement of the ratio of activated T-lymphocytes expressing CD4 to the total number of T-lymphocytes in a sample expressed as a percent value.
Pruebas
The determination of the number of helper alpha-beta T-lymphocytes in a sample.
Pruebas
The determination of the ratio of a sub-population of alpha-beta T-lymphocytes to total alpha-beta T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Pruebas
The determination of the ratio of the alpha-beta T-lymphocytes to total T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Glossary Term
A type of protein made by B lymphocytes in response to a foreign substance (antigen). Each antibody only binds to a specific antigen, helping to destroy the antigen directly or by assisting white blood cells to destroy the antigen.
Pruebas
The determination of the ratio of a sub-population of antibody-secreting B-lymphocytes to antibody-secreting B-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Pruebas
The determination of the ratio of antibody-secreting B-lymphocytes to total class-switched memory B-lymphocyte present in a sample. The measurement may be expressed as a ratio or percentage.
Glossary Term
Any substance, generally a protein, that stimulates the immune system and elicits an immune response. Recognition by the immune system elicits either a T-lymphocyte response, recognizing processed antigens, or a B-lymphocyte response, producing antibodies that bind to unprocessed antigens.
