dermatome
Noun
Meaning
a surgical instrument used to cut very thin slices of skin
Source: WordNetExamples
Its myotome will form the muscle component and the dermatome that will form the dermis of the back.
Somites give rise to the myotome (muscle tissue), sclerotome (cartilage and bone), and dermatome (subcutaneous tissue of the skin).
The neural tube activates the protein WNT1 that expresses PAX 2 so the somite creates the myotome and dermatome.
The myotome and dermatome have a nerve component.