macrophage(redirected from alveolar macrophage)
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Any of various large, phagocytic white blood cells that develop from monocytes, are found in the spleen, liver, and other tissues, and have a variety of functions in the immune system including engulfing and destroying pathogens and dead cells, presenting antigens to activate lymphocytes, and releasing cytokines that mediate inflammation.
mac′ro·phag′ic (-făj′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Zoology) any large phagocytic cell occurring in the blood, lymph, and connective tissue of vertebrates. See also histiocyte
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a large white blood cell, occurring principally in connective tissue and in the bloodstream, that ingests foreign particles and infectious microorganisms by phagocytosis.
[< German Makrophagen (pl.) (Metchnikoff, 1887), with -phagen representing Phagozyten phagocytes; see macro-, -phage]
mac`ro•phag′ic (-ˈfædʒ ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Any of the large white blood cells in many vertebrates that engulf and break down foreign particles and bacteria in blood or lymph. Macrophages are important in the body's defense against disease and are found mainly in the spleen, lymph nodes, and liver.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||macrophage - a large phagocyte; some are fixed and other circulate in the blood stream|
histiocyte - a macrophage that is found in connective tissue
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
n. macrófago, célula mononuclear fagocítica;
___ migration → migración de ___ -s.
English-Spanish Medical Dictionary © Farlex 2012