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Macrophages

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Macrophages

Macrophages are white blood cells that are able to surround, engulf, and digest microorganisms, such as bacteria, viruses, and fungi. Macrophages also stimulate action in the immune system.

Current as of: May 1, 2026

Author: WebMD Ignite Staff

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This information does not replace the advice of a doctor. WebMD Ignite, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

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