Definition of Bell's palsy in English:

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Bell's palsy

Pronunciation: /ˈbɛlz ˌpɔːlzi/


[mass noun]
Paralysis of the facial nerve causing muscular weakness in one side of the face.
Example sentences
  • In severe cases (usually during ascent), increased pressure in the middle ear can cause reversible weakness of the facial nerve and Bell's palsy.
  • Other viral illnesses such as mumps and rubella may also trigger Bell's palsy.
  • Her medical history consisted of hypertension, depression, and a right facial nerve palsy secondary to Bell's palsy.


Mid 19th century: named after Sir Charles Bell (1774–1842), the Scottish anatomist who first described it.

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