Mandibular Division

Question 1

Where does the Mandibular division exit the cranial vault?

Answer 1

foramen ovale

Question 2

Where do the large sensory root and the small motor root of the mandibular division combine?

Answer 2

The infratemporal fossa

Question 3

What kind of fibers does the mandibular division carry?

Answer 3

both motor and sensory

Question 4

The mandibular division of the Trigeminal nerve carries sensory information from the skin over the mandible, posterior cheek and what other skin?

Answer 4

over the posterior temple

Question 5

Other than skin, the mandibular division carries sensation from where?

Answer 5

mucosa of the lower oral cavity and cheeks

Question 6

how many muscles does the mandibular division supply motor innervation?

Answer 6

16 (8 on each side)

Question 7

List the muscles innervated by the mandibular division.

Answer 7

Muscles of mastication (masseter, temporalis, medial pterygoid and lateral pterygoid), Tensor Veli Palatine, Tensor Tympani, Mylohyoid, and the Anterior Belly of Digastric

Question 8

Which two branches are given off in the infratemporal fossa?

Answer 8

recurrent meningeal and medial pterygoid nerve

Question 9

What is the other name for the recurrent meningeal nerve?

Answer 9

nervus spinosum

Question 10

Where does the recurrent meningeal branch reenter the cranium?

Answer 10

foramen spinosum

Question 11

What carries sensory info from the dura of the middle cranial fossa?

Answer 11

recurrent meningeal branch

Question 12

What all is innervated by the recurrent meningeal branch of the mandibular division of the trigeminal nerve?

Answer 12

dura from the middle cranial fossa, anterior cranial fossa, and calvarium (skull cap dura)

Question 13

What nerve is the motor supply for the medial pterygoid muscle?

Answer 13

medial pterygoid nerve

Question 14

Some fibers from the medial pterygoid nerve pass through a ganglion. What is its name?

Answer 14

Otic Ganglion

Question 15

What nerve supplies the tensor veli palatine and tensor tympani muscles?

Answer 15

medial pterygoid nerve of the mandibular division of the trigeminal nerve.

Question 16

Which division of the mandibular division of the trigeminal nerve is predominately motor?

Answer 16

anterior division

Question 17

Which division of the mandibular division of the trigeminal nerve is predominately sensory?

Answer 17

posterior division

Question 18

What are the 4 nerves given off of the anterior division of the mandibular division?

Answer 18

(MLB players chew Dark Tobacco) Masseter nerve, lateral pterygoid nerve, buccal nerve, and deep temporal nerve

Question 19

In addition to carrying motor innervation to masseter muscle, the masseter nerve also carries sensory info to what?

Answer 19

Temporomandibular joint

Question 20

What nerve from the anterior division of the mandibular division gives off an anterior and posterior branch that supply the temporalis muscle?

Answer 20

deep temporal nerve

Question 21

What nerve innervates the lateral pterygoid muscle?

Answer 21

lateral pterygoid nerve

Question 22

what is the major sensory branch of the anterior division of the mandibular division of the trigeminal nerve?

Answer 22

buccal nerve

Question 23

What nerve conveys sensation from the buccal gingivae of the molars, and the skin and mucosal surfaced of the cheek?

Answer 23

buccal nerve

Question 24

What are the nerves given off of the posterior division of the mandibular division?

Answer 24

(PAIL) Posterior division has Auriculotemporal, Inferior alveolar, Lingual

Question 25

What kind of information is carried by the auriculotemporal nerve?

Answer 25

sensory

Question 26

What nerve passes through the parotid gland, posterior to the TMJ, and into the infratemporal fossa?

Answer 26

auriculotemporal

Question 27

What nerve carries sensory info from the skin of the temple and ear?

Answer 27

auriculotemporal

Question 28

In addition to carrying info from the skin and ear, the auricular nerve carries what kind of fibers from the otic ganglion?

Answer 28

postganglionic parasympathetic fibers

Question 29

What nerve of the posterior division of the mandibular nerve conveys sensory info from the mucosa of the oral cavity?

Answer 29

lingual nerve

Question 30

What nerve combines with a branch of CN VII, the chorda tympani, in the infratemporal fossa?

Answer 30

lingual nerve

Question 31

What nerve carries sensory info from the lower teeth and the chin?

Answer 31

inferior alveolar nerve

Question 32

What are the branches of the inferior alveolar nerve?

Answer 32

incisive branch and mental nerve

Question 33

What nerve supplies the incisors, canines, and 1st premolars (and adjacent gingivae)?

Answer 33

incisive branch of the inferior alveolar nerve of the posterior division of the mandibular division of the trigeminal nerve

Question 34

What nerve supplies the labial gingivae adjacent to the incisors and the skin of the lower lip and chin?

Answer 34

mental nerve

Question 35

Prior to passing through the mandibular foramen, motor fibers carried in the inferior alveolar nerve diverge and supply what two muscles?

Answer 35

mylohyoid and the anterior belly of the digastric muscle

Question 36

What two autonomic ganglia communicate with the mandibular division?

Answer 36

submandibular and otic ganglia

Question 37

Where does the submandibular ganglion receive preganglionic fibers from?

Answer 37

CN VII

Question 38

How does the submandibular ganglion receive fibers from CN VII?

Answer 38

by way of the lingual nerve, after it combines with the chorda tympani

Question 39

Where does the Otic ganglion send postganglionic fibers?

Answer 39

to the parotid gland by way of the auriculotemporal nerve

Question 40

In some cases, the lingual nerve may convey some taste info (special sensory) to where?

Answer 40

the chorda tympani

Question 41

What is one clinical consideration associated with the mandibular division?

Answer 41

Trigeminal Neuralgia

Question 42

What are the four ganglia in the head as mentioned in class?

Answer 42

Ciliary, pterygopalatine, otic, and submandibular