CN V Trigeminal

Question 1

The 3 divisions of the CN V Trigeminal

Answer 1

CN V1 Ophthalmic
CN V2 Maxillary
CN V3 Mandibular

Question 2

What type of neuron is the CN V Trigeminal?

Answer 2

Somatosensory - All divisions

Voluntary Motor - V3 Mandibular only

Question 3

CN V Trigeminal nuclei are?

Answer 3

Touch and motor nuclei in lateral dorsal mid pons

Question 4

Nucleus for proprioception is located in the?

Answer 4

Medial dorsal midbrain tegmentum.

Question 5

Nucleus for nociception and temperature is located in the?

Answer 5

Lateral caudal dorsal medulla.

-Nerve exits anterolaterally from mid pons.

Question 6

Voluntary motor is what and LMN somas are in the?

Answer 6

CN V3 Mandibular

LMNS somas in the motor nucleus of CN V

Question 7

What are the muscles for mastication - CN V3 Mandibular?

Answer 7

Lateral Pterygoid
Medial Pterygoid
Masseter
Temporalis

Question 8

CN V Trigeminal - Somatosensory - Primary source of somatosensation of the?

Answer 8

Face

Also sensory for dura mater around much of the brain (all 3 layers) along with CN X vagus.

Question 9

CN V Trigeminal - Somatosensory - CN V1 Ophthalmic Areas

Answer 9

Forehead and scalp
Cornea and eyelids
Bridge of Nose

Question 10

CN V Trigeminal - Somatosensory - CN V2 Maxillary Areas

Answer 10

Cheek
Upper lip, gum, front teeth, palate
Underside of nose
Skin between nose and upper lip

Question 11

CN V Trigeminal - Somatosensory - CN V3 Mandibular

Answer 11

Skin over mandible
Anterior 2/3 tongue
Lower lip, gum, teeth and muscosa of mouth
Temporomandibular joint