myotome
/maɪˈɒtəmi/Definitions
1. noun
A muscle or a part of a muscle, especially in the vertebral column; a myomere.
“The anatomy of the vertebral column is divided into several myotomes, each containing a different muscle group.”
2. noun
A segment of a myomere, especially in an embryo.
“The early development of a vertebrate embryo is marked by the formation of several myotomes, which eventually mature into muscles.”