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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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.clonic - of or relating to abnormal neuromuscular activity characterized by rapidly alternating muscle contraction and relaxation; "clonic spasm"
medical specialty, medicine - the branches of medical science that deal with nonsurgical techniques


a. clónico-a, rel. a un clon.


adj clónico
References in periodicals archive ?
Focal seizures are short-lived and often referred to as an aura or warning sign, preceding a focal dyscognitive or generalized tonic clonic seizure (known as the ictal phase).
This can last for 30 seconds followed by the actual clonic seizure which can be severe twitching and a possible loss of consciousness.
Although VNS results have shown minor complications, some patients continue to have atonic seizures, tonic and clonic seizures, even after treatment.
After 10-20 sec the tonic phase of the seizure typically evolves into the clonic phase produced by the superimposition of periods of muscle relaxation (<1 mt) on the tonic muscle contraction.
28) The dose at which caraway exhibited 50% of its maximal effect in delaying the onset time to myoclonic and clonic seizures (ED50) was determined by GraphPad Prism, version 5.
India) by her mother to "help her to go to sleep" with the recommendation of the family members, had generalized tonic clonic seizures one hour after ingestion (the first one lasted for 3-4 minutes and stopped spontaneously and the second one could be stopped only after 10 minutes with eight mg diazepam) and was referred to our hospital after the case was reported to the legal authorities.
3%) of the patients were diagnosed as having generalized seizure disorder tonic-clonic seizure (53-generalized tonic clonic and 1 myoclonic seizure).
more green areas the better MUM OF DAUGHTER WITH EPILEPSY PRAISES SCHOOL MARY BOOTH: Brilliant school every school should have seizure first aid training from absence seizure to tonic clonic every type
We report a case of a 25 year-old man who came into our clinic for a generalized tonic clonic seizure.
Mean age at the onset of myoclonic jerks (MJ) and generalized tonic clonic seizures (GTCS) was 13.