Exam 12: The Spinal Cord, Spinal Nerves, and Spinal Reflexes

Where do somatic motor neurons reside?

The loss of feeling and movement of the legs is termed ________.

The ________ separates the dura mater from the walls of the vertebral canal.

Enlargements of the spinal cord occur

Figure 12-2 Spinal Nerves Use Figure 12-2 to answer the following questions: -Identify the structure labeled "5."

Figure 12-2 Spinal Nerves Use Figure 12-2 to answer the following questions: -Identify the structure labeled "2."

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

The neural "wiring" of a single reflex is called a(n) ________.

The ventral root of a spinal nerve contains

Reflexes based on synapses formed during development are ________ reflexes.

The outermost connective-tissue covering of nerves is the

Sensory input from interoceptors of visceral organs are carried to the spinal nerve via the ________.

The layer of connective tissue that surrounds a fascicle within a peripheral nerve is the

In ________, axon collaterals extend back toward the source of the impulse and further stimulate the earlier neurons.

All of the following are True of polysynaptic reflexes, except that they

The ________ innervates the ventrolateral body surface, structures in the body wall, and the limbs.

The preganglionic fibers that carry visceral motor fibers and connect a spinal nerve with an sympathetic ganglion form the

In the spinal cord, white matter is separated into ascending and descending tracts organized as

Reflexes that involve multiple segments of the spinal cord and can produce complex and coordinated responses are called ________.

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