Exam 13: The Spinal Cord, spinal Nerves, and Spinal Reflexes

The layer of connective tissue that surrounds individual axons within a peripheral nerve is termed the

The ventral rami form four major plexuses,including all of the following except the ________ plexus.

Figure 13-2 Spinal Nerves Use Figure 13-2 to answer the following questions: -Identify the structure labeled "3."

In the condition ________,a virus infects dorsal root ganglia,causing a painful rash whose distribution corresponds to that of the affected sensory nerves as seen in their dermatomes.

The layer of the meninges in direct contact with the spinal cord is the

The subdural space lies between

Blood vessels that supply the spinal cord run along the surface of the

Cerebrospinal fluid flows within the

Figure 13-2 Spinal Nerves Use Figure 13-2 to answer the following questions: -Identify the structure labeled "8."

After age ________,the vertebral column continues to elongate,but the spinal cord itself does not.

Figure 13-2 Spinal Nerves Use Figure 13-2 to answer the following questions: -Which branch carries motor neurons to structures on the back of the body trunk?

Spinal nerves are

In which structure are sensory cell bodies located?

In which plexus does the ulnar nerve arise?

Figure 13-1 The Spinal Cord Use Figure 13-1 to answer the following questions: -Where do somatic motor neurons reside?

Mary is in an automobile accident and suffers a spinal cord injury.She has lost feeling in her lower body.Her doctor tells her that swelling is compressing a portion of her spinal cord.Which part of her cord is likely to be compressed?

Each of the following nerves originates in the lumbar plexus except the ________ nerve.

The tough,fibrous,outermost covering of the spinal cord is the

Reflexes that activate muscles on the opposite side of the body as the stimulus are called

A(n)________ reflex has at least one interneuron placed between the sensory and motor neurons.