Definition of fasciculation in English:

fasciculation

noun

  • 1Medicine
    A brief spontaneous contraction affecting a small number of muscle fibres, often causing a flicker of movement under the skin.

    • ‘Shortly into my neurophysiological assessment, normally recruiting muscles confirmed a diagnosis of benign fasciculations.’
    • ‘The affected muscles show fasciculations that are rippling contractions seen through the skin or in the tongue.’
    • ‘Local sweating and fasciculation of local muscle groups may occur initially after skin absorption of liquid or vapour.’
    • ‘Clinically, there was no muscle atrophy, pain, or fasciculation; a muscle biopsy showed only mild myofiber atrophy.’
    • ‘The muscle is contracted and hard, and an observer can see fasciculation - small twitchings - over its surface.’
  • 2Biology
    [mass noun] Arrangement in bundles.

    • ‘This phenotype may be the result of defective interaxon communication that obstructs axon extension or fasciculation in the longitudinal pathways.’
    • ‘It is important to note that the aberrant projections do not seem to result from fasciculation defects or growth impairments.’

Pronunciation:

fasciculation

/faˌsɪkjʊˈleɪʃ(ə)n/