Figure 13.3 Using the Above-Referenced Diagram of an Unmyelinated Axon in the an Unmyelinated

question 80

Multiple Choice

Figure 13.3

Using the above-referenced diagram of an unmyelinated axon in the PNS, identify the specified labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label D.

• A) Axons
• B) Synaptic vesicles
• C) Ependymal cells
• D) Dendritic spines
• E) Nodes

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Definitions:

Eyeball

The globular organ housed in the orbit of the skull through which we see, consisting of the cornea, lens, retina, and more.

Trochlear Nerves

Cranial nerves responsible for moving the eyeball downwards and slightly inwards, playing a key role in vision.

Olfactory

Relating to the sense of smell.

Trigeminal

Referring to the trigeminal nerve, which is the fifth cranial nerve responsible for sensory data from the face and motor functions such as biting and chewing.