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Formation and composition of a spinal nerve

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(a) Describe the formation and composition of a spinal nerve. (b) Name the branches of a spinal nerve (other than the rami communicantes), and indicate their distribution.

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Solution Summary

Formation and composition of a spinal nerve and the branches that indicate their distribution are discussed.

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Question: Describe the formation and composition of a spinal nerve.

Response: Most spinal nerves have two separate points of attachment to the spinal cord: a posterior (dorsal) root and an anterior (ventral) root. The two roots unite to form the spinal nerve at the intervertebral foramen. The posterior root contains sensory axons and the ...

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