MYOCLONUS

Pronunciation (US):

(GB):

 Dictionary entry overview: What does myoclonus mean? 

• MYOCLONUS (noun)
  The noun MYOCLONUS has 1 sense:

1. a clonic spasm of a muscle or muscle group

  Familiarity information: MYOCLONUS used as a noun is very rare.

 Dictionary entry details 

• MYOCLONUS (noun)

Sense 1

Meaning:

A clonic spasm of a muscle or muscle group

Classified under:

Nouns denoting stable states of affairs

Hypernyms ("myoclonus" is a kind of...):

cramp; muscle spasm; spasm (a painful and involuntary muscular contraction)

 Context examples 

Signs and symptoms include seizures, myoclonus, ataxia, and dementia.

(Lafora Disease, NCI Thesaurus)

Missense mutation in DRD2 causes myoclonus dystonia; other mutations have been associated with schizophrenia.

(DRD2 1 Allele, NCI Thesaurus)

A missense mutation in this gene causes myoclonus dystonia and allelic variant mutants are associated with schizophrenia.

(DRD2 wt Allele, NCI Thesaurus)

Clinical signs are usually not present at birth but develop within the first two years of life and include hypoglycemia from underlying liver dysfunction, failure to thrive, spasticity, myoclonus and seizures.

(Alper Syndrome, NCI Thesaurus)

Signs and symptoms include sleep disturbances, personality changes, aphasia, ataxia, muscle atrophy and weakness, visual loss, and myoclonus.

(Creutzfeldt-Jakob Disease, NCI Thesaurus)

Difficulty moving; distortion or impairment of voluntary movement, as in tic, spasm, or myoclonus.

(Dyskinesia, NCI Thesaurus)

Juvenile absence epilepsy is characterized by the juvenile onset of absence seizures and an increased incidence of myoclonus and tonic-clonic seizures.

(Petit Mal Epilepsy, NLM, Medical Subject Headings)

Nocturnal myoclonus may represent a normal physiologic event or occur as the principal feature of the NOCTURNAL MYOCLONUS SYNDROME. (From Adams et al., Principles of Neurology, 6th ed, pp102-3).

(Myoclonic jerk, NLM, Medical Subject Headings)