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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.clonus - convulsion characterized by alternating contractions and relaxations
convulsion - violent uncontrollable contractions of muscles
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

clo·nus

n. Gr. clono, serie de contracciones rápidas y rítmicas de un músculo.
English-Spanish Medical Dictionary © Farlex 2012

clonus

n clonus m
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
The Achilles reflexes were absent in both lower extremities, and no pathological reflexes were noted (i.e., Babinski, ankle clonus).
[1] In a long-term follow-up study of phenol block of the tibial nerve by Petrillo et al, 92 tibial nerve blocks with phenol were performed in 59 patients for treatment of severe spasticity of foot and it was observed that the Achilles tendon reflexes was abolished, ankle clonus eliminated and resistance to passive stretch was reduced following the procedure in all patients.
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.
Manca et al (9) compared botulinum toxins and phenol nerve blocks to reduce ankle clonus in spastic paresis and concluded that both patient groups showed significant clonus reduction over time with the phenol group effect greater than the botulinum toxins group.
Group A: these were patients with acute tramadol poisoning and ankle clonus with no disease, who did not receive any treatment for the prevention of possible seizures.
Pyramidal tract involvement is infrequent, however, our patient had involvement of pyramidal tracts manifested by hyperreflexia and ankle clonus. Interestingly, the sensory system remains intact6.
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.