Exam 12: Fundamentals of the Nervous System and Nervous Tissue

The white matter is the site where neuron cell bodies are clustered.

is the term for the previously held belief that fully differentiated neurons could not divide.

form the myelin sheaths in the brain and spinal cord.

A node of Ranvier (myelin sheath gap)

The type of axon that conducts impulses most slowly is

Of the following, which is the only structure that is in the PNS, as opposed to the CNS?

Which of the following is the correct path an impulse takes across a synapse?

Chromatophilic bodies are clusters of rough ER and free ribosomes that produce the large amount of proteins needed by a neuron.

White matter is white in color because of .

The difference between myelinated and unmyelinated axons is that

This is the site of communication between neurons.

The matter of the spinal cord forms a butterfly -shaped structure.

A nerve cell is the same as a

Distinguish monosynaptic reflexes from polysynaptic reflexes.

The simplest of all reflexes is the reflex.

Figure 12.1 Use the diagram pictured above to answer the following questions. -Axodendritic synapses occur between letter ʺEʺ on the diagram and this region on a proximal neuron.

This part of the neuron may have branching collaterals.

Which of the following is not a characteristic of neurons?

Mitochondria are particularly abundant here.

These regions of a neuron are also referred to as terminal boutons.