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Fasciculations

^ http://purl.obolibrary.org/obo/HP_0002380

Fasciculations are observed as small, local, involuntary muscle contractions (twitching) visible under the skin. Fasciculations result from increased irritability of an axon (which in turn is often a manifestation of disease of a motor neuron). This leads to sporadic discharges of all the muscle fibers controlled by the axon in isolation from other motor units. [ HPO:curators ]

Term info

database cross reference
  • UMLS:C0015644
  • MSH:D005207
  • SNOMEDCT_US:82470000
comment

This finding can be visible clinically and can be demonstrated by electromyography (EMG).

definition

Fasciculations are observed as small, local, involuntary muscle contractions (twitching) visible under the skin. Fasciculations result from increased irritability of an axon (which in turn is often a manifestation of disease of a motor neuron). This leads to sporadic discharges of all the muscle fibers controlled by the axon in isolation from other motor units.

has alternative id

HP:0007092, HP:0002468

has exact synonym

Muscle fasciculation, Fasciculation, Muscle twitch

id

HP:0002380

Term relations

Subclass of: