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shocklike contractions of part of a muscle, an entire muscle, or a group of muscles; usually a manifestation of a convulsive disorder. adj., adj myoclon´ic.
palatal myoclonus a condition characterized by a rapid rhythmic movement of one or both sides of the palate.
an involuntary, persistent, rapid regular tremor of the soft palate, face, and diaphragm related to lesions of the olivocerebellar pathway; two types are recognized: essential and symptomatic.
Synonym(s): palatal myoclonus
pal·a·tal my·o·clo·nus(pal'ă-tăl mī-ok'lŏ-nŭs)
Tinnitus that may be elicited by contractions of the soft palate. It is classified as an extracochlear muscular somatosound.
repetitive, rhythmic contractions of a group of skeletal muscles, persisting in sleep. The result of encephalitis or myelitis caused by distemper virus in dogs. Called also canine chorea, flexor spasm and tremor syndrome.
familial reflex myoclonus
a familial disease seen in young Labrador retriever puppies; myoclonus is followed by a generalized extensor rigidity and opisthotonos.
inherited congenital myoclonus
inherited as a recessive trait in Polled Hereford cattle; at birth affected calves are unable to stand because of myoclonic jerks to skeletal muscles in response to external stimuli; affected calves are not viable. One of the diseases originally classified together as neuraxial edema.
a condition characterized by a rapid rhythmic movement of one or both sides of the palate.