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Biology Art

Coloured Art

Sem Art

Active Art

wood prints biology wood prints coloured wood prints sem wood prints active wood prints biological wood prints cell wood prints cell biology wood prints color wood prints scanning electron micrograph wood prints brown background wood prints

photographs biology photos coloured photos sem photos active photos biological photos cell photos cell biology photos color photos scanning electron micrograph photos brown background photos

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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.

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