[mak-ruh-feyj] /ˈmæk rəˌfeɪdʒ/
noun, Cell Biology.
a large white blood cell, occurring principally in connective tissue and in the bloodstream, that ingests foreign particles and infectious microorganisms by phagocytosis.
any large phagocytic cell occurring in the blood, lymph, and connective tissue of vertebrates See also histiocyte
1890, from macro- + -phage.
macrophage mac·ro·phage (māk’rə-fāj’)
Any of the large phagocytic cells found in the reticuloendothelial system.
mac’ro·phag’ic (-fāj’ĭk) adj.
Any of various large white blood cells that play an essential immunologic role in vertebrates and some lower organisms by eliminating cellular debris and particulate antigens, including bacteria, through phagocytosis. Macrophages develop from circulating monocytes that migrate from the blood into tissues throughout the body, especially the spleen, liver, lymph nodes, lungs, brain, and connective tissue. Macrophages also participate in the immune response by producing and responding to inflammatory cytokines.
noun 1. the large plant family Rubiaceae, characterized by herbaceous plants, trees, and shrubs having simple, opposite, or whorled leaves, usually four- or five-lobed flowers, and fruit in the form of a berry, capsule, or nut, and including the gardenia, madder, partridgeberry, and shrubs and trees that are the source of coffee, ipecac, and quinine.
noun 1. a strong purple-red color. 2. a pigment of this color formerly obtained from the madder root, characterized chiefly by lack of permanence.
[mad-er] /ˈmæd ər/ noun 1. any plant of the genus Rubia, especially the climbing R. tinctorum, of Europe, having open clusters of small, yellowish flowers. Compare . 2. the root of this plant, formerly used in dyeing. 3. the dye or coloring matter itself. 4. a color produced by such a dye. [mad-er] /ˈmæd ər/ […]
[mad-dawg, -dog] /ˈmædˌdɔg, -ˌdɒg/ noun, Botany. 1. a North American skullcap, Scutellaria lateriflora, having underground stems and one-sided clusters of blue to white flowers.