Coloured SEM of a monocyte in a blood capillaryMonocyte. Coloured Scanning ElectronMicrograph (SEM) of a monocyte (macrophage) ina blood capillary of the adrenal gland. The monocyte (pink) is the largest type of whiteblood cell. It has little function in blood, butmigrates into tissues. Here, it is seen passingthrough a porous capillary (blue) which has debrisof blood platelets (yellow). Protruberances on thesurface of the monocyte cell help it to move.In tissues it scavenges and engulfs cellulardebris & foreign micro-organisms. Monocytes thus play an important role in the initial phaseof the body's immune response. Magnification:x3,300 at 6x7cm size. x4,700 at 4x5"
Copyright © Prof. P. Motta / Dept. Of Anatomy / University "la Sapienza", Rome / Science Photo Library
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Coloured SEM of a monocyte in a blood capillary Keywords
active, adrenal, adrenal gland, anatomy, blood cell, capillary, cell, defence, human body, image, immune, immunology, in capillary, leucocyte, leukocyte, macrophage, magnified image, microscopic photos, monocyte, subject, system, white, white blood cell
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