Definition of foreign body in English:

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foreign body

Pronunciation: /ˈfôrən ˈbädē/


An object or piece of extraneous matter that has entered the body by accident or design.
Example sentences
  • A general anaesthetic can interfere with the body's natural cough reflex, which normally helps prevent foreign bodies entering the breathing system.
  • Nature has provided glands that produce wax to keep foreign bodies like insects from entering the ear.
  • The DNA then starts making proteins that are recognised by the body as foreign bodies and attacked.
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