Activated Macrophage
by Steve Gschmeissner
Title
Activated Macrophage
Artist
Steve Gschmeissner
Medium
Photograph - Photograph
Description
Activated macrophage. Coloured scanning electron micrograph (SEM) of an active macrophage white blood cell. Macrophages are cells of the body's immune system that are found in the tissues rather than in the circulating blood. They recognise foreign particles, including bacteria, pollen and dust, and phagocytose (engulf) and digest them. In the active state the cell surfaces have numerous cytoplasmic extensions (thread-like), which are used for locomotion within the tissues as the cell seeks out and engulfs the foreign particles.
Uploaded
July 1st, 2016
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