clonic

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Related to clonic-tonic: grand mal epilepsy

clonus

 [klo´nus]
1. alternate involuntary muscular contraction and relaxation in rapid succession.
2. a continuous rhythmic reflex tremor initiated by the spinal cord below an area of spinal cord injury, set in motion by reflex testing.
ankle clonus (foot clonus) a series of abnormal reflex movements of the foot, induced by sudden dorsiflexion, causing alternate contraction and relaxation of the triceps surae muscle.
toe clonus abnormal rhythmic contraction of the great toe, induced by sudden passive extension of its first phalanx.
wrist clonus spasmodic contraction of the hand muscles, induced by forcibly extending the hand at the wrist.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

clo·nic

(klon'ik),
Relating to or characterized by clonus.
Farlex Partner Medical Dictionary © Farlex 2012

clonic

adjective Pertaining to clonus, see there.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

clonic

adjective Pertaining to clonus, see there.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

clo·nic

(klō'nik)
Relating to or characterized by clonus.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

clonic

Pertaining to CLONUS.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

clo·nic

(klon'ik)
Relating to or characterized by clonus.
Medical Dictionary for the Dental Professions © Farlex 2012