Lymphocyte
Subtype of white blood cell / From Wikipedia, the free encyclopedia
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A lymphocyte is a type of white blood cell (leukocyte) in the immune system of most vertebrates.[1] Lymphocytes include T cells (for cell-mediated and cytotoxic adaptive immunity), B cells (for humoral, antibody-driven adaptive immunity),[2][3] and innate lymphoid cells (ILCs; "innate T cell-like" cells involved in mucosal immunity and homeostasis), of which natural killer cells are an important subtype (which functions in cell-mediated, cytotoxic innate immunity). They are the main type of cell found in lymph, which prompted the name "lymphocyte" (with cyte meaning cell).[4] Lymphocytes make up between 18% and 42% of circulating white blood cells.[2]
Lymphocyte | |
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Details | |
System | Immune system |
Function | White blood cell |
Identifiers | |
MeSH | D008214 |
TH | H2.00.04.1.02002 |
FMA | 84065 62863, 84065 |
Anatomical terms of microanatomy |