English Dictionary

Bell's palsy

noun

(pathology) A paralysis of cranial nerve VII (the facial nerve) resulting in inability to control facial muscles on the affected side.

Bell's palsy is a condition that causes sudden weakness or paralysis of the muscles on one side of the face.

意味（1）

(pathology) A paralysis of cranial nerve VII (the facial nerve) resulting in inability to control facial muscles on the affected side.

A Bell's palsy is a facial paralysis that affects one side of the face only, generally caused by a viral infection.