CN3

Question 0

What is/are the target organs for the somatic efferent fibers carried in the third cranial nerve?

Answer 0

Eye muscles except for superior oblique and lateral rectus, and the levator palpebrae superioris muscle.

Question 1

What is the somatic efferent nucleus of origin for the third cranial nerve?

Answer 1

Oculomotor nuclear complex.

Question 2

Which visceral pathway is conveyed in the third cranial nerve?

Answer 2

A parasympathetic motor pathway.

Question 3

Visceral efferent fibers conveyed in the third cranial nerve originate from which nucleus?

Answer 3

Accessory oculomotor nucleus of Edinger/Westphal.

Question 4

What is the location of synapse for preganglionic parasympathetic efferent fibers of the third cranial nerve?

Answer 4

Ciliary ganglion.

Question 5

Postganglionic parasympathetic efferent fibers of the third cranial nerve are carried in which nerve?

Answer 5

Short ciliary nerve.

Question 6

Postganglionic parasympathetic efferent fibers of the third cranial nerve synapse in what targets?

Answer 6

Sphincter pupillae and ciliaris intrinsic eye muscles.

Question 7

Peripheral sensory processes conveyed in third cranial nerve travel to pseudounipolar sensory neuron cell bodies located in which ganglion?

Answer 7

Gasserian ganglion, semilunar ganglion, or trigeminal ganglion.