myotonia
[mi″o-to´ne-ah] any disorder involving tonic spasm of muscle. adj., adj myoton´ic.
myotonia conge´nita a hereditary disease marked by tonic spasm and rigidity of certain muscles when attempts are made to move them. The stiffness tends to disappear as the muscles are used.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
my·o·to·ni·a
(mī'ō-tō'nē-ă), Delayed relaxation of a muscle after a strong contraction, or prolonged contraction after mechanical stimulation (as by percussion) or brief electrical stimulation; due to abnormality of the muscle membrane, specifically the ion channels.
[myo- + G. tonos, tension, stretching]
Farlex Partner Medical Dictionary © Farlex 2012
myotonia
(mī′ə-tō′nē-ə)n. Tonic spasm or temporary rigidity of one or more muscles, often characteristic of various muscular disorders.
my′o·ton′ic (-tŏn′ĭk) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
myotonia
Neurology Delayed muscle relaxation after voluntary contraction–action myotonia or mechanical stimulation–percussion myotonia Types Chloride channel-related disorders–eg, myotonia congenita, Thomsen type; protein kinase-related disorders–eg, myotonic dystrophy; sodium channel-related disorders–eg, hyperkalemic periodic paralysis; idiopathicMcGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
my·o·to·ni·a
(mīō-tōnē-ă) Delayed relaxation of a muscle after a strong contraction, or prolonged contraction after mechanical stimulation (as by percussion) or brief electrical stimulation; due to abnormality of the muscle membrane, specifically the ion channels.
[myo- + G. tonos, tension, stretching]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
my·o·to·ni·a
(mīō-tōnē-ă) Delayed relaxation of a muscle after a strong contraction, or prolonged contraction after mechanical stimulation (as by percussion) or brief electrical stimulation; due to abnormality of muscle membrane, specifically ion channels.
[myo- + G. tonos, tension, stretching]
Medical Dictionary for the Dental Professions © Farlex 2012