from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of the large phagocytic cells of the reticuloendothelial system.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A white blood cell that phagocytizes necrotic cell debris and foreign material, including viruses, bacteria, and tattoo ink. It presents foreign antigens on MHC II to lymphocytes. Part of the innate immune system.
from the GNU version of the Collaborative International Dictionary of English
- n. A large phagocyte.
from The Century Dictionary and Cyclopedia
- n. A very large phagocyte or wandering amœboid cell that devours other cells. Macrophages develop from small lymphocytes and are found in the lymphoid tissues of the alimentary canal.
- n. A small phagocyte, or wandering leucocyte, which engulfs or devours other cells, bacteria, etc.: opposed to macrophage.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a large phagocyte; some are fixed and other circulate in the blood stream
Sorry, no etymologies found.