Fasciculation (also known as Fasciculations, Fasciculation, Muscular): Involuntary contraction of the muscle fibers innervated by a motor unit. Fasciculations may be visualized as a muscle twitch or dimpling under the skin, but usually do not generate sufficient force to move a limb. They may represent a benign conditi
Involuntary contraction of the muscle fibers innervated by a motor unit. Fasciculations may be visualized as 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)
MeSH classification
C10.597.613.250
C23.888.592.608.250
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Involuntary contraction of the muscle fibers innervated by a motor unit. Fasciculations may be visualized as 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) This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Fasciculation known by any other names?
Yes. Fasciculation is also referred to as Fasciculations, Fasciculation, Muscular, Fasciculations, Muscular, Muscular Fasciculation in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Fasciculation sit in the medical classification?
Fasciculation falls under the broader medical category "Diseases" in the MeSH hierarchy (tree numbers: C10.597.613.250, C23.888.592.608.250). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
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