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[kloh-nuh s] /ˈkloʊ nəs/

noun, plural clonuses. Pathology.
a rapid succession of flexions and extensions of a group of muscles, usually signifying an affection of the brain or spinal cord.
a type of convulsion characterized by rapid contraction and relaxation of a muscle

“violent muscular spasms,” 1817, from Modern Latin, from Greek klonos “turmoil, any violent motion; confusion, tumult, press of battle,” from PIE *kel- “to drive, set in motion.” Related: Clonic; clonicity.

clonus clo·nus (klō’nəs)
n. pl. clo·nus·es
A form of movement marked by contractions and relaxations of a muscle, occurring in rapid succession, after forcible extension or flexion of a part. Also called clonospasm.


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