Canadian Medical Guide > Diseases > Nervous System Diseases > Neurologic Manifestations > Neuromuscular Manifestations > Fasciculation Terms and Definitions

Fasciculation

Medical Definition:	Involuntary contraction of the muscle fibers innervated by a motor unit. Fasciculations can often by visualized and take the form of a muscle twitch or dimpling under the skin, but usually do not generate sufficient force to move a limb. They may represent a benign condition or occur as a manifestation of MOTOR NEURON DISEASE or PERIPHERAL NERVOUS SYSTEM DISEASES. (Adams et al., Principles of Neurology, 6th ed, p1294)
Guide Notes:	note category: do not confuse with axonal fasciculation (index under AXONS /physiol)
Also Called:	Fasciculation, Benign,Fasciculation, Skeletal Muscle,Fasciculation, Tongue

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