Definition of myotome in English:


Line breaks: myo|tome
Pronunciation: /ˈmʌɪətəʊm


  • 1The dorsal part of each somite in a vertebrate embryo, giving rise to the skeletal musculature. Compare with dermatome, sclerotome.
    More example sentences
    • Each somite pair corresponds to a myotome in vertebrates or to an adult segment in annelids and arthropods.
    • These tissues are composites of lateral plate derived connective tissues and the migratory population of the myotome.
    • Third, the partitioning of different fiber types within the myotome allows homogenous samples of each fiber type to be easily removed and tested in vitro.
  • 1.1Each of the muscle blocks along either side of the spine in vertebrates (especially fish and amphibians). Also called myomere.
    More example sentences
    • The anatomy of ray-finned fish shows many of the characteristics common to all chordates: pharyngeal slits, a nerve cord, and body wall muscles arranged in myotomes, or segmented blocks.
    • The muscles of the body are segmented into blocks called myotomes.
    • In vertebrates finally, the organization of muscles into myotomes for swimming has long been considered of crucial adaptative importance.

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