Living Encyclopedia

Macrophage

The big "eating" defender

Open in 3D / VR

The story for kids

This is a macrophage, a big white blood cell and our protector. Watch how it crawls along and hunts harmful bacteria. Like an amoeba, it wraps around a germ and swallows it. The amoeba eats to feed itself, but the macrophage eats so that we don't get sick.

Facts

  • A macrophage is a white blood cell that hunts germs.
  • Like an amoeba, it surrounds and swallows harmful bacteria.
  • An amoeba eats to feed itself, but a macrophage eats to protect us.

Numbers

Size
0.02–0.05 mm
Lives in
In the blood and body
Eats
Germs, debris
Job
Protects us

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