palatal myoclonus

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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.
A single myoclonic arm or leg jerk is normal when the person is falling asleep. Myoclonic jerks are severe with grand mal seizures. From Jarvis, 1996.
palatal myoclonus a condition characterized by a rapid rhythmic movement of one or both sides of the palate.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

palatal tremor

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
Farlex Partner Medical Dictionary © Farlex 2012

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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012