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Type I skeletal muscle fibers

Synonym(s)

  • muscle fibers, intermediate
  • muscle fibers, slow-twitch
  • skeletal muscle fiber, type I

Definition(s)

Skeletal muscle fibers having low myofibrillar ATPase activity, low glycogen content, and high myoglobin content, high mitochondrial oxidative enzyme activities, and an intermediate mitochondrial content which produce a slow twitch and are fatigue-resistant.

Definition from: Unified Medical Language SystemThis link leads to a site outside Genetics Home Reference. (NCI Thesaurus)   at the National Library of Medicine

See also Understanding Medical Terminology.

 
Published: November 20, 2009