Caption: Macrophage attacking bacteria. Animated coloured scanning electron micrograph (SEM) of a macrophage white blood cell (brown) attacking a group of Borrelia sp. bacteria (blue, lower left). The macrophage has extended a long pseudopod towards the bacteria prior to engulfing them. Once engulfed, a process known as phagocytosis, the bacteria will be destroyed. Macrophages are white blood cells which attack many types of foreign organisms in the body, including bacteria. Borrelia sp. bacteria cause several diseases in humans, including Lyme disease and relapsing fever.

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Keywords: anatomy, animated, attacking, bacteria, bacterium, borrelia sp, cells, coloured, defence, defending, digital rostrum, engulfing, human body, immune, immunology, ken burns, leucocyte, leukocyte, macrophage, pathogen, pathogenic, pathogens, phagocytosing, phagocytosis, pseudopod, pseudopodium, scanning electron micrograph, sem, spirochaete, spirochaetes, system, white blood cell

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White blood cell and bacteria, SEM

K007/3954 Rights Managed

Downloadable master

Duration: 00:00:15

Frame size: 1920x1080

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 530.8M


Capture format: QuickTime Animation

Frame size: 3004x2388

Codec: JPEG

File size: 530.8M

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