spasmus


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spasmus

 [spaz´mus] (L.)
spasmus nu´tans nodding spasm.

spasm

(spazm),
A sudden involuntary contraction of one or more muscles; includes cramps, and contractures.
Synonym(s): muscle spasm, spasmus
[G. spasmos]

spasm

(spazm)
A sudden involuntary contraction of one or more muscle groups; includes cramps, contractures.
Synonym(s): muscle spasm, spasmus.
[G. spasmos]
References in periodicals archive ?
Spasmus nutans-like nystagmus is often associated with underlying ocular, intracranial, or systemic abnormalities.
Discussion: Spasmus nutans is a rare benign disease, characterized by head nodding, torticollis and rapid, asymmetric, low-amplitude nystagmus.
Spasmus nutans syndrome is a rare disorder, causing (in combination): a high frequency, low amplitude nystagmus of a disconjugate nature; irregular head nodding; an abnormal head posture.