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Hemifacial Spasm MeSH Descriptor Data 2025


MeSH Heading
Hemifacial Spasm
Tree Number(s)
C07.465.364
C10.597.613.750.400
C23.888.592.608.750.400
Unique ID
D019569
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D019569
Scope Note
Recurrent clonic contraction of facial muscles, restricted to one side. It may occur as a manifestation of compressive lesions involving the seventh cranial nerve (FACIAL NERVE DISEASES), during recovery from BELL PALSY, or in association with other disorders. (From Adams et al., Principles of Neurology, 6th ed, p1378)
Entry Term(s)
Facial Spasm, Unilateral
Hemifacial Myokymia
Spasm, Hemifacial
NLM Classification #
WE 705
Previous Indexing
Facial Muscles (1966-1997)
Facial Nerve Diseases (1981-1997)
Spasm (1966-1997)
Public MeSH Note
1998
History Note
1998
Date Established
1998/01/01
Date of Entry
1997/06/20
Revision Date
1999/12/13
Hemifacial Spasm Preferred
Hemifacial Myokymia Related
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