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What is the name of the structure that separates the ventral roots from the dorsal roots of the spinal nerve?

The posterior lobe of the pituitary gland is derived from which of the following?

In which of the following ganglia would postganglionic parasympathetic neurons be located?

The transverse venous dural sinus drains into ?

Pre-ganglionic  parasympathetic neurons:

Which one of the following structures is a primary organ of the lymphatic system?

What is the name of the structure that separates the ventral roots from the dorsal roots of the spinal nerve?

White rami are associated only with thoracic spinal nerves and the first two or three lumbar spinal nerves. Gray rami are associated with all pairs of spinal nerves.

A patient  is unable to flex her wrist. An injury to what nerve could cause this?

The brachial plexus is formed from the ________________