CN V

Question 1

CN V is called which nerve?

Answer 1

trigemenial nerve

Question 2

What kind of function does it have and what do they do?

Answer 2

sensory information from the face

provides motor innervation to muscles of mastication.

Question 3

It passes through which cranial fossa? and what kind of swelling would it produce?

Answer 3

the middle cranial fossa and the swelling is called trigemenial ganglion

Question 4

What does the trigemenial ganglion contain?

Answer 4

the cell bodies of most of the sensory neurons that make up the trigemenial nerve

Question 5

Where does the trigemenial nerve lie?

Answer 5

in the trigemenial impression

Question 6

What three division does it split up into?

Answer 6

1. opthalamic division
2. maxillary division
3. Mandibular division

Question 7

What does the opthalamic division provide? And where does it pass through?

Answer 7

passes through lateral wall of cavernous sinus and enters orbit through superior orbital fissure

provides sensory innervation to face

Question 8

Maxillary division passes through what? And provides what?

Answer 8

passes though lateral wall of cavernous sinus and exits middle cranial fossa through foramen rotundum

provides sensory innervation to face

Question 9

Mandibular division exits through what? and provides what?

Answer 9

exits the middle cranial fossa through foramen ovale

Provides sensory innervation to the face and provides motor innervation to the muscles of mastication.