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单词 clonic
释义

clonicadj.

Brit. /ˈklɒnɪk/, U.S. /ˈklɑnɪk/
Origin: A borrowing from Latin. Etymon: Latin clonicus.
Etymology: < post-classical Latin clonicus (1712 or earlier) < ancient Greek κλόνος confused motion, turmoil, agitation in physiological sense (see clonus n.) + classical Latin -icus -ic suffix.
Medicine.
Designating or relating a type of movement in which there is alternating contraction and relaxation of one or more muscles occurring in rapid succession, as in some types of epileptic seizure and certain other disorders; opposed to tonic. Cf. clonus n.
ΘΚΠ
the world > health and disease > ill health > a disease > diseases of tissue > disorders affecting muscles > [adjective] > spasm or cramp > series
clonic1769
myoclonic1899
1769 B. Alexander tr. G. B. Morgagni Seats & Causes Dis. III. v. 473 The fever continu'd: and instead of the clonic convulsions, the tonic were exceedingly troublesome, every now and then, in the whole body.
1822 J. M. Good Study Med. I. 262 The spasms were sometimes clonic or agitatory, instead of being entastic or rigid.
1871 W. A. Hammond Treat. Dis. Nerv. Syst. 39 Tonic spasm, followed by clonic convulsion.
1902 Jrnl. Nerv. & Mental Dis. 29 416 Such considerations render it inadvisable to avoid using myotonia as well as myoclonia as generic terms, substituting, perhaps, the word myospasm, clonic and tonic.
1953 Science 13 Mar. 284/1 Mice of the second strain..have a high level of incidence of seizures, but the seizures are of the clonic type only.
1977 P. O'Brian Mauritius Command iv. 101 He slightly inclined to a clonic spasm.
2005 S. Shorvon Handbk. Epilepsy Treatm. (ed. 2) i. 9/1 Clonic seizures consist of clonic jerking which is often asymmetric and irregular.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022).
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adj.1769
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