Formation and composition of a spinal nerve

(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.

Plexus

(a) Define plexus. (b) Indicate the spinal roots of origin of the four major nerve plexuses, and name the general body regions served by each.

Ipsilateral and contralateral reflexes

Differentiate between ipsilateral and contralateral reflexes.

Flexor and crossed-extensor reflexes

Compare and contrast flexor and crossed-extensor reflexes.

White and gray rami

Describe the anatomical relationship of the white and gray rami to the spinal nerve, and indicate the kind of fibers found in each ramus type