Bell's Palsy Definition

A usually temporary, sudden paralysis of the facial nerve resulting in weakened or paralyzed muscles on one side of the face.
Webster's New World
A unilateral facial muscle paralysis of sudden onset, resulting from trauma, compression, or infection of the facial nerve and characterized by muscle weakness and a distorted facial expression.
American Heritage Medicine
(pathology) A paralysis of cranial nerve VII (the facial nerve) resulting in inability to control facial muscles on the affected side.

Origin of Bell's Palsy

  • After Sir Charles Bell (1774–1842), Scottish anatomist

    From American Heritage Dictionary of the English Language, 5th Edition

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Bell's palsy