Definition of Clonus

1. Noun. Convulsion characterized by alternating contractions and relaxations.

Generic synonyms: Convulsion
Derivative terms: Clonic

Definition of Clonus

1. n. A series of muscular contractions due to sudden stretching of the muscle, -- a sign of certain neuropathies.

Definition of Clonus

1. Noun. (medicine) a muscular spasm with regular contractions ¹

¹ Source: wiktionary.com

Definition of Clonus

1. a form of muscular spasm [n -ES]

Medical Definition of Clonus

1. A form of movement marked by contractions and relaxations of a muscle, occurring in rapid succession. (13 Nov 1997)

Lexicographical Neighbors of Clonus

clonogenic
clonogenic cell
clonogenicity
clonograph
clonological
clonology
clonorchiasis
clonorchiosis
clonorchis sinensis
clonospasm
clonotype
clonotypes
clonotypic
clons
clonus (current term)
clonuses
cloom
cloomed
clooming
clooms
cloop
cloops
cloot
clootie
clooties
cloots
clop
clopamide
clopen

Literary usage of Clonus

Below you will find example usage of this term as found in modern and/or classical literature:

1. Journal of Nervous and Mental Disease by American Neurological Association, Philadelphia Neurological Society, Chicago Neurological Society, New York Neurological Association, Boston Society of Psychiatry and Neurology (1903)
"The tendon reflexes are very much exaggerated on both sides, more so on the right side. He has ankle clonus, but no patellar clonus. ..."

2. Journal of Nervous and Mental Disease by Philadelphia Neurological Society, American Neurological Association, Chicago Neurological Society, New York Neurological Association (1906)
"He then had a left partial hemiplegia involving only arm and leg, with some lessening of the deep reflexes on that side, no clonus, no "Babinski. ..."

3. The Practitioner by Gale Group, ProQuest Information and Learning Company (1885)
"In the first place he cites rive cases where there was ankle-clonus ... Further, in three other cases of convalescence from typhoid the ankle- clonus was ..."

4. Diseases of the Spinal Cord by Byrom Bramwell (1884)
"and a clonic spasm of the leg is produced ; this knee clonus may, in such cases, be still better demonstrated by drawing the patella downwards, ..."

5. The Clinical Journal (1898)
"It is recognised and known that all these phenomena—ankle-clonus, ... The explanation of the occurrence of clonus has been given by several authorities. ..."

6. The Diagnosis of Nervous Diseases by James Purves-Stewart (1906)
"Knee-clonus or rectus-clonus is best obtained by sudden downward traction on the patella, the knee being passively extended. In chronic organic affections ..."

7. Skin and Venereal Diseases (1905)
"Later ankle-clonus appeared intermittently in the left foot as well as the ... Evidently, therefore, in this case the ankle-clonus did not depend upon a ..."

8. Edinburgh Medical Journal (1881)
"It is the latter and the clonus which I now wish to discuss. The ankle clonus is well-marked in both legs (especially the left), either on sudden passive ..."

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