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Pronunciation: mi'o-tom


  1. A knife for dividing muscle.
  2. In embryos, that part of the somite that develops into skeletal muscle.
  3. All muscles derived from one somite and innervated by one segmental spinal nerve.
  4. In primitive vertebrates, the muscular part of a metamere.

Synonym(s): muscle plate

[myo- + G. tomos, a cut]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.