lymphocyte

[lim-fuh-sahyt]
noun Anatomy.
a type of white blood cell having a large, spherical nucleus surrounded by a thin layer of nongranular cytoplasm.
Compare B cell, T cell.


Origin:
1885–90; lympho- + -cyte

lymphocytic [lim-fuh-sit-ik] , adjective
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Collins
World English Dictionary
lymphocyte (ˈlɪmfəʊˌsaɪt)
 
n
B-lymphocyte See also T-lymphocyte a type of white blood cell formed in lymphoid tissue
 
lymphocytic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

lymphocyte
1890, from L. lympho- (see lymph) + -cyte (see cyto-).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

lymphocyte lym·pho·cyte (lĭm'fə-sīt')
n.
Any of the nearly colorless cells formed in lymphoid tissue, as in the lymph nodes, spleen, thymus, and tonsils, constituting between 22 and 28 percent of all white blood cells in the blood of a normal adult human. They function in the development of immunity and include two specific types, B cells and T cells.


lym'pho·cyt'ic (-sĭt'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
lymphocyte   (lĭm'fə-sīt')  Pronunciation Key 
Any of various white blood cells, including B cells and T cells, that function in the body's immune system by recognizing and deactivating specific foreign substances called antigens. B cells act by stimulating the production of antibodies. T cells contain receptors on their cell surfaces that are capable of recognizing and binding to specific antigens. Lymphocytes are found in the lymph nodes and spleen and circulate continuously in the blood and lymph.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Research suggests that the virus activates some pathway within the lymphocyte cell that leads to cell proliferation.
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