Trace the pathway of a sound wave from the outer ear to the auditory cortex. Name and describe the function of at least four structures involved in this process.

The optic nerve (CN II) is considered a tract rather than a true cranial nerve because it:

1445.23-2.67=

White matter in the CNS consists primarily of myelinated axons, while gray matter contains neuron cell bodies and unmyelinated fibers.

6.4-4.3=

The diencephalon includes which of the following structures?

17+12=

1445.23+2.67=

5+11=

456+789=