- a large, circulating white blood cell, formed in bone marrow and in the spleen, that ingests large foreign particles and cell debris.
Origin of monocyte
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a large phagocytic leucocyte with a spherical nucleus and clear cytoplasm
- A large, circulating, phagocytic white blood cell that has a single well-defined nucleus and very fine granulation in the cytoplasm and that constitutes from 3 to 8 percent of the white blood cells in humans.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Any of various large white blood cells that are formed in the bone marrow, circulate in the blood, and destroy pathogenic bacteria by phagocytosis. Monocytes develop into macrophages in various body tissues.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.