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clonus

[ kloh-nuhs ]

noun

Pathology.
plural clonuses.
  1. a rapid succession of flexions and extensions of a group of muscles, usually signifying an affection of the brain or spinal cord.


clonus

/ ˈklɒnɪk; klɒˈnɪsɪtɪ; ˈkləʊnəs /

noun

  1. a type of convulsion characterized by rapid contraction and relaxation of a muscle
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • clonic, adjective
  • clonicity, noun
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yvlog History and Origins

Origin of clonus1

1810–20; < New Latin < Greek óԴDz turmoil
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yvlog History and Origins

Origin of clonus1

C19: from New Latin, from Greek klonos turmoil
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Compare Meanings

How does clonus compare to similar and commonly confused words? Explore the most common comparisons:

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Example Sentences

Examples have not been reviewed.

The knee-jerks and plantar reflexes are exaggerated, and there is marked ankle clonus.

From

There was neither ankle nor patellar clonus, and the other reflexes were present and normal.

From

No foot clonus, no Babinski; abdominal reflexes present, cremasteric not elicited; catalepsy not always present.

From

There is an attempt at, but no true, clonus; that is, passive flexion of the foot causes two or three jerky movements.

From

The plantar and patellar reflexes were much exaggerated, and there was ankle clonus, most marked in the left limb.

From

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