myotome

myotome is a   Noun

Definition:

[1] A muscular segment; one of the zones into which the muscles of the trunk, especially in fishes, are divided; a myocomma.

[2] One of the embryonic muscular segments arising from the protovertebræ; also, one of the protovertebræ themselves.

[3] The muscular system of one metamere of an articulate.

Synonyms: