Finally , the neural tube also secretes neurotrophin 3 ( NT - 3 ) , so that the somite creates the dermis .
The neural tube activates the protein WNT1 that expresses PAX 2 so the somite creates the myotome and dermatome .
The neural tube also secretes neurotrophin 3 ( NT - 3 ) , so that the somite creates the dermis .
The neural tube activates the protein WNT1 that expresses PAX 2 so the somite creates the myotome and dermatome .