Coloured SEM of two neutrophil white blood cells

Coloured SEM of two neutrophil white blood cells

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Credit: DR KARI LOUNATMAA/SCIENCE PHOTO LIBRARY

Caption: White blood cells. Coloured scanning electron micrograph of two polymorphonuclear white blood cells (leucocytes). These cells, also known as neutrophils or polymorphs, are involved in protecting the body against infection. They engulf and digest invading micro-organisms by a process called phagocytosis. Highly mobile, these cells will migrate to an area of tissue damage to engulf micro-organisms and cell debris. However, the special enzymes needed for their work are quickly depleted so they will degenerate after activity. Defunct polymorphonuclear white blood cells are the main constituent of pus. Magnification: x6,000 at 6x7cm size. x20,000 at 10x8"

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Keywords: anatomy, blood cell, cells, human body, immune, immune system, leucocyte, leukocyte, neutrophil, phagocyte cell, polymorph, polymorphonuclear, polymorphonuclear leucocyte, white, white blood cell

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