Meaning of “haemifacial spasm” in the English Dictionary


"haemifacial spasm" in English

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haemifacial spasmnoun [ C ]

UK specialized US hemifacial spasm uk /hiː.mɪˌfeɪ.ʃəl ˈspæz.əm/ us /ˈhiː.məˌfeɪ.ʃəl ˈspæz.əm/

a spasm (= occasion when a muscle suddenly becomes tighter) affecting one side of the face:

Haemifacial spasms are caused by a blood vessel pressing on one of the nerves coming from the brain.

(Definition of “haemifacial spasm” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)