- the body-wall musculature in a single segment of primitive chordates and segmented invertebrates
- one of the paired mesodermal masses in a vertebrate embryo from which the musculature develops
myo- + -tome
See myotome in American Heritage Dictionary 4
- The segment of a somite in a vertebrate embryo that differentiates into skeletal muscle.
- A muscle or group of muscles derived from one somite and innervated by a single segment of a spinal nerve.
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