clonus

American  

[kloh-nuhs] / ˈkloʊ nəs /

noun

Pathology.

• clonuses
  plural

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

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clonus British  

/ ˈkləʊnəs /

noun

1. a type of convulsion characterized by rapid contraction and relaxation of a muscle

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Other Word Forms

Derived Forms

• clonicity
  noun
• clonic
  adjective

Inflected Forms

Nouns

• clonuses
  plural

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Etymology

Origin of clonus

1810–20; < New Latin < Greek klónos turmoil

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Compare meaning

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

• myoclonus vs. clonus

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Example Sentences

See Examples For:

clonus

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

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Alexander Miles

Musculature of legs was in a constant mild clonus, and the right foot was kept in position of talipes equinovarus.

From Studies in Forensic Psychiatry by Bernard Glueck

Patellar  reflexes were markedly exaggerated on both sides, the left more so than the right, and ankle clonus was present on the left side.

From Studies in Forensic Psychiatry by Bernard Glueck

Tapping of one knee tended to set musculature of opposite knee in mild clonus of short duration.

From Studies in Forensic Psychiatry by Bernard Glueck

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

From Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre by George Henry Makins

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