clonus

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clo·nus

 (klō′nəs)
n. pl. clo·nus·es
An abnormality in neuromuscular activity characterized by rapidly alternating muscular contraction and relaxation.

[New Latin, from Greek klonos, turmoil.]

clon′ic (klŏn′ĭk, klō′nĭk) adj.
clo·nic′i·ty (klō-nĭs′ĭ-tē, klŏ-), clo′nism (klō′nĭz′əm, klŏn′ĭz′əm) n.

clonus

(ˈkləʊnəs)
n
(Pathology) a type of convulsion characterized by rapid contraction and relaxation of a muscle
[C19: from New Latin, from Greek klonos turmoil]
clonic adj
clonicity n

clo•nus

(ˈkloʊ nəs)

n., pl. -nus•es.
a rapid succession of flexions and extensions of a muscle group during movement, often symptomatic of a nervous system disorder.
[1810–20; < New Latin < Greek klónos turmoil]
clon•ic (ˈklɒn ɪk) adj.
clo•nic•i•ty (kloʊˈnɪs ɪ ti, klɒ-) n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.clonus - convulsion characterized by alternating contractions and relaxations
convulsion - violent uncontrollable contractions of muscles
Translations

clo·nus

n. Gr. clono, serie de contracciones rápidas y rítmicas de un músculo.

clonus

n clonus m
References in periodicals archive ?
Ankle clonus and patellar clonus were positive bilaterally as was the Babinski sign.
Neurological examination revealed generalized hyperreflexia, bilateral ankle clonus, lead-pipe rigidity in all four limbs, and dilated but equal pupils.
Within two weeks after starting sertraline, the woman showed numerous signs of serotonin toxicity: hypertension, tachycardia, anxiety, profuse sweating, bilateral ocular clonus, ankle clonus in the lower extremities, rhythmic jaw motions, and stuttering.
Pyramidal tract involvement is infrequent, however, our patient had involvement of pyramidal tracts manifested by hyperreflexia and ankle clonus.
Lower limbs examination showed no muscle wasting, increased tone, power 0/5, reflexes were brisk and ankle clonus was present, along with bilateral up going plantars.