The ________ of each spinal nerve innervates the skin and muscles of the back.

Question

Quizplus · Accepted Answer

The posterior ramus of each spinal nerve innervates the skin and muscles of the back. The white and gray rami communicantes are both part of the autonomic nervous system and are involved in visceral motor function. The anterior ramus innervates the anterior and lateral skin and muscles of the trunk and gives rise to the major nerves of the limbs. Dermatomes are areas of skin that are innervated by a single spinal nerve.

The ________ of Each Spinal Nerve Innervates the Skin and Muscles