A transitional population of migrating mesenchymal cells that derive from somites and that will become muscle cells.

http://upload.wikimedia.org/wikipedia/commons/9/96/Gray65.png

The term 'myotome' is also used to describe the muscles served by a single nerve root / spinal segment - consider adding new class, myomere.

Portion of the somites giving rise to body wall muscle masses. Kimmel et al, 1995.[TAO]

myomeres

uberon

myotome region, muscle plate, myomere, myotomus, myotomes

In all vertebrates, the skeletal muscle of the body axis is chiefly derived from an early embryonic compartment, known as the myotome.[well established][VHOG]

UBERON:0003082

http://purl.obolibrary.org/obo/uberon.owl, http://purl.obolibrary.org/obo/cl.owl

• skeletal muscle tissue
• skeletal muscle organ