Definition of Lymphocyte

1. Noun. An agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection.

Definition of Lymphocyte

1. Noun. (cytology immunology) A type of white blood cell or leukocyte that is divided into two principal groups and a null group; B-lymphocytes, which produce antibodies in the humoral immune response, T-lymphocytes, which participate in the cell-mediated immune response and the null group, which contains natural killer cells, cytotoxic cells that participate in the innate immune response. ¹

¹ Source:

Definition of Lymphocyte

1. [n -S]

Medical Definition of Lymphocyte

1. White cell of the blood that are derived from stem cells of the lymphoid series. Two main classes are recognised, T and B lymphocytes, the latter responsible (when activated) for production of antibody, the former subdivided into subsets (helper, suppressor, cytotoxic T-cells) and responsible both for cell-mediated immunity and for stimulating B-cells. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Lymphocyte

lymphoblastic leukaemia
lymphoblastic leukemia
lymphoblastic lymphoma
lymphocyte (current term)
lymphocyte-oriented kinase
lymphocyte activation
lymphocyte cooperation
lymphocyte count
lymphocyte depletion
lymphocyte lymphocyte
lymphocyte specific protein tyrosine kinase p56(lck)
lymphocyte subsets
lymphocyte transformation
lymphocyte transfusion

Literary usage of Lymphocyte

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Journal of Experimental Medicine by Rockefeller University, Rockefeller Institute, Rockefeller Institute for Medical Research (1908)
"A small lymphocyte showing a "digestive vacuole " and a long ... A lymphocyte capturing and constricting a polynuclear cell in its crescent-shaped " claw. ..."

2. The Medical Implications of Nuclear War by Fredric Solomon (1986)
"function (as well as the B lymphocyte population and its function) can be evoked through nutritional, protein, or caloric manipulation.57 In severe ..."

3. A Text-book of general pathology for the use of students and practitioners by James Martin Beattie (1908)
"lymphocyte-like cells from a chronic inflammatory focus, x 1000. conditions, collections of small cells possessing all the characters of lymphocytes are ..."

4. The Biology of the Blood-cells with a Glossary of Hæmatological Terms: For by Oskar Cameron Gruner (1914)
"The process of formation of lymphoid cells. lymphocyte. Syn. ... permanent lymphocyte, sessile cell of lymphadenoid tissue, small lymphocyte. ..."

5. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1911)
"Because patients admitted with a high lymphocyte percentage invariably improve more rapidly and consistently than do those in which the percentage of these ..."

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