Fig. 1.37 Myotomes.
C6 segment of spinal cordMuscles that abduct the arm are innervated by C5 and C6 spinal levels (spinal nerves) and develop from somites initially associated with C5 and C6 regions of developing spinal cordC5 segment of spinal cordDermatomyotomeSomite
Fig. 1.38 Dermatomes. A. Anterior view. B. Posterior view.