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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 ?
Subcategories were- generalized tonic followed by generalized tonic clonic, focal clonic.
"This is something I'll have for life now and while my medication has controlled the tonic clonic seizures, I also have complex partial seizures," she said.
Both generalized and focal seizures include tonic or clonic movements of the face and/or extremities characterized by asynchrony.
Only those mice which showed clonic convulsions within 30 min during the preliminary examination were chosen for the study.
During the examination, the patient's GCS score was 9 points, and she exhibited occasional, subtle clonic jerks in her left arm.
At times, these ictal electrographic changes transitioned to low-amplitude high-frequency activity before evolving into rhythmic high amplitude spikes during the clonic phase of the seizures.
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.
More than half (59.3%) of the patients were diagnosed as having generalized seizure disorder tonic-clonic seizure (53-generalized tonic clonic and 1 myoclonic seizure).