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myoclonus

myoclonus

1 9.9
A sudden muscle twitch you cannot control
  • noun
  • /maɪˈɑklənəs/
  • Specialized
translation icon : mioclonía
  • Other clinical signs and symptoms include dentatorubral tremor, severe myoclonus of the cervical muscles and diaphragm, and symptoms of cerebellar or brainstem dysfunction.
  • middle ear myoclonus
  • palatal myoclonus
  • ear myoclonus

Examples

  • Middle ear myoclonus may also be associated with hemifacial spasms, eyelid tremors, or excessive anxiety.

    Academic text (1998)
  • Although there have been no reports of the use of botulinum toxin for middle ear myoclonus, this may emerge as a treatment option in the future.

    Academic text (1998)
  • As a rule, the history of middle ear myoclonus is very particular.

    Academic text (1998)
  • For anesthesia led us to believe that the tinnitus might have been caused by myoclonus of the middle ear.

    Academic text (1998)
  • In this paper, we describe a rare case of continuous, high-frequency objective tinnitus caused by myoclonus of the middle ear.

    Academic text (1998)
  • Thus, it appears that this is the first report of a case of continuous, high-frequency objective tinnitus caused by middle ear myoclonus.

    Academic text (1998)
  • We describe what appears to be the first reported case of continuous high-frequency objective tinnitus caused by middle ear myoclonus.

    Academic text (1998)
  • The myoclonus was characterized by rhythmic involuntary movement of the soft palate, uvula, pharynx, and larynx.

    Academic text (2009)
  • The most common symptom is palatal myoclonus, which is characterized by rhythmic involuntary movement of the soft palate, uvula, pharynx, and larynx.

    Academic text (2009)
  • The sudden myoclonus caused her leg to jerk unexpectedly while she was sitting.

Synonyms

twitching
vsmyoclonus
12 4.3

A quick, sudden movement of a muscle you cannot control, often in an eyelid

is a sudden involuntary muscle jerk affecting single muscles or groups
muscle spasm
vsmyoclonus
  • Specialized
7 3.4

A sudden tight movement of a muscle that hurts or feels uncomfortable

is a quick involuntary muscle jerk usually without strong pain

Compounds

myoclonus epilepsy
  • Specialized
8.9

A condition causing sudden brief muscle jerks and gradual loss of thinking ability, often passed from parents

How Intense

convulsion
  • Specialized
20 7.3
spasm
  • Specialized
58 3.9
myoclonus
  • Specialized
1 9.9
jerk
7 2.2
to twitch
66 2.8

Surface Forms

myoclonus singular
myocloni plural
myoclonuses plural

Morphology

myoclonus = clonus (opaque) = myo + clonus

Both elements are Greek medical combining forms and the compound is specialized clinical terminology not transparently meaningful to an average B1 learner.

Etymology

Myoclonus comes from Greek parts myo- meaning 'muscle' and -clonus meaning 'violent movement' or 'spasm', so it literally names a sudden muscle jerk. Think of it as a quick 'muscle twitch', which is why doctors use myoclonus for those involuntary jerks.