V3 And Tmj

Front 1

The trigeminal nerve arises from the pons as two roots, what are they?

Back 1

A large sensory root, and a small motor root

Front 2

What foramen does V1 exit

Back 2

Superior Orbital Fissure

Front 3

Foramen that V2 exits

Back 3

Foramen Rotundum

Front 4

Foramen that V3 exits

Back 4

Forament Ovale

Front 5

The mandibular division (V3) innervates

Back 5

the area of the mandible and temple

Front 6

What are the divisions of the opthalmic nerve?

Back 6

Frontal (then supraorbital and supratrochlear)

Nasociliary (external nasal and infratrochlear nerves)

Lacrimal

Front 7

What does the frontal nerve come from, and what does it branch into?

Back 7

comes from V1, branches into supraorbital and supratrochlear

Front 8

What does the nasociliary nerve come from and what does it branch into?
What does it supply?

Back 8

V1, branches into external nasal and infratrochlear nerves

It supplies the iris, cornea, and nasal sinuses

Front 9

What does the lacrimal nerve come from and what does it supply?

Back 9

Comes from V1, and supplies sensory to conjunctiva and skin of upper eyelid

Front 10

What are the branches of the maxillary division of trigeminal?

Back 10

Infraorbital, and Zygomatic which then branches into Zygomaticofacial, Zygomaticotemporal

Front 11

Where does the infraorbital nerve come from and what does it supply?

Back 11

Comes from V2, supplies the palate, maxillary sinus, and posterior teeth

Front 12

What are the branches of the mandibular nerve?

Back 12

Auriculotemporal, Buccal, Mental

Front 13

The occipital region and posterior scalp are innervated by (anterior/posterior) rami

Back 13

Posterior

Front 14

Muscles of mastication are innervated by what?

Back 14

SVE fibers from the Mandibular Nerve (V3)

Front 15

The tensor veli palatini muscle is innervated by what (be specific)

Back 15

Nerve to medial pterygoid (a branch of the mandibular nerve)

SVE fibers from V3

Front 16

The tensor tympani muscle is innervated by what? (be specific)

Back 16

Nerve to medial pterygoid (a branch of the mandibular nerve)

SVE fibers from V3

Front 17

The anterior belly of the digastric is innervated by what?

Back 17

nerve to the mylohyoid, (a branch of the mandibular nerve)

SVE fibers from V3

Front 18

After exiting the cranial cavity through the foramen ovale the ____ nerve gives rise to ____ branch (sensory) and ____ (motor), and then divides into an anterior and posterior division

Back 18

Mandibular, meningeal branch (sensory, nerve to medial pterygoid (motor)

Front 19

The anterior division of V3 gives off mostly....

Back 19

motor to the muscles of mastication, as well as one sensory branch: the buccal nerve

Buccal nerve (which is sensory, not motor, to the buccinator muscle)
Masseteric nerve (motor)
Deep temporal nerves (motor)
Nerve to the lateral pterygoid (motor)

Front 20

The posterior division of V3 gives off mostly...

Back 20

sensory fibers.

Front 21

What are the branches of the posterior division of V3?

Back 21

Auriculotemporal nerve (sensory)
Lingual nerve (sensory)
Inferior alveolar nerve (which breaks into nerve to mylohyoid - motor, and mental nerve - sensory)

Front 22

The auriculotemporal nerve Branches from the ____ division of mandibular nerve
Splits around the ____
Carries ___ ___ fibers from the ___ ganglion to the ____.

Back 22

Posterior
MIddle Meningeal Artery
Postganglionic Parasympathetic from the Otic ganglion to the Parotid Gland

Front 23

The chorda tympani contains ___ganglionic ____ fibers headed towards the ____ ganglion, which is suspended from the __ nerve

Back 23

PREganglionic PARASYMPATHETIC fibers head towards the SUBMANDIBULAR ganglion, which is suspended from the LINGUAL nerve

Front 24

The terminal branches of the inferior alveolar nerve are

Back 24

the incisive nerve and the mental nerve

Front 25

The nerve to the mylohyoid is a branch of the

Back 25

inferior alveolar nerve

Front 26

The pterygopalatine ganglion is associated with what branch of trigeminal?

It's target is what?

These fibers originate in what CN?

Back 26

V2 (maxillary).

Lacrimal gland, glands of the nasal cavity, maxillary sinus and palate

CN VII

Front 27

The Otic ganglion is associated with what branch of trigeminal?

It runs in what nerves of CN __ ?

It's target is the ___ gland

Back 27

V3 (mandibular)

Tympanic Nerve, lesser petrossal nerve of CN IX.

Parotid

Front 28

The chorda tympani traverses the middle ___ ___ and exits through the ___ ____ into the ___ fossa.

Back 28

the chorda tympani traverses the middle EAR CAVITY and exits through the PETROTYMPANIC FISSURE into the INFRATEMPORAL fossa

Front 29

Chorda tympani branches off CN ___ in the posterior wall of the ___ __ __

Back 29

CN VII in the middle ear cavity

Front 30

The facial nerve has the ___ ganglion at the genu of the facial nerve

Back 30

genticulate

Front 31

The facial nerve exits the cranial cavity through what opening?

Back 31

The internal acoustic meatus

Front 32

The lingual nerve, depending on the location being discussed can carry different functional components. Describe them.

Back 32

It can carry GSA only
It can carry GSA, GVE, and SVA only
It can carry GSA and SVA only.

Front 33

The tympanic branch of IX carries what type of fibers?

Back 33

Preganglionic Parasympathetic (GVE)

Front 34

The tympanic branch of IX enters the ____ and forms the ____ ____ .

Back 34

tympanic canaliculus, forms the tympanic plexus on the promontory of the middle ear

Front 35

The __ __ nerve is the continuation of fibers from the tympanic nerve

Back 35

lesser petrosal

Front 36

The lesser petrosal nerve exits the middle cranial fossa through what foramen?

Back 36

Foramen Ovale

Front 37

The lesser petrosal nerve synapses at what ganglion?

Back 37

Otic

Front 38

Post ganglionic fibers from the ____ ganglion enter the main trunk of V3, travel with the ____ nerve to supply the parotid gland

Back 38

Otic

Auriculotemporal

Front 39

___ fibers from the otic ganglion enter the main trunk of __, travel with the ____ nerve to supply the ____ gland

Back 39

Post ganglionic, V3, Auriculotemporal, Parotid

Front 40

What is Tic Douloureux?

Back 40

extreme, sporadic, sudden, burning, stabbing, or shock-like face pain on one side of the jaw or cheek.

Caused by blood vessel pressing on the trigeminal nerve in the head as it exits the brainstem

Front 41

What are the attachments and actions of the temporalis?

Back 41

Attaches to the temporal fascia and coronoid process and ramus of the mandible.

If elevates and retracts the mandible

Front 42

The deep temporal nerves and arteries and the zygomaticotemporal nerve are found where?

Back 42

In the temporal fossa

Front 43

The retromandibular vein is formed by the union of

Back 43

the maxillary vein and superficial temporal vein

Front 44

The anterior branch of the retromandibular vein eventually drains into which jugular vein

Back 44

internal

Front 45

The posterior branch of the retromandibular vein eventually drains into which jugular vein

Back 45

external jugular vein

Front 46

What are the attachments of the masseter and what are its actions?

Back 46

Taking origin from the zygomatic arch, inserts on the lateral surface of the ramus and angle of mandible. It elevates the mandible

Front 47

What foramen connect the infratemporal fossa and middle cranial fossa

Back 47

foramen ovale and spinosum

Front 48

The sphenomandibular ligament develops from what

Back 48

the first pharyngeal arch

Front 49

What are the actions of the stylomandibular ligament?

Back 49

limits extreme protrusion of the mandible,

Note: this is NOT located in the infratemporal fossa

Front 50

The lateral pterygoid muscle has two heads. The ___ head attaches to the ___ ___ of the sphenoid, and the ___ head attaches to the ___ ___ plate.

Back 50

upper attaches to the greater wing of the sphenoid

Lower head from the lateral pterygoid plate

Front 51

The lateral pterygoid has two heads that together attach where?
What are the actions of this muscle?

Back 51

capsule and disk of the TMJ and neck of mandible

Depresses and protrudes the mandible. Unilateral contraction shifts the chin to the contralateral side

Front 52

What forms the mandibular sling?

Back 52

The medial pterygoid and masseter muscles when they insert into the ramus and angle of the mandible

Front 53

What are the attachments and actions of the medial pterygoid?

Back 53

the superficial head attaches to the maxillary tuberosity, the deep head attaches to the lateral pterygoid plate, and they insert into the ramus and angle of the mandible.

It elevates the mandible. Unilateral contraction assists the lateral pterygoid in side to side movements.

Front 54

The posterior division of the mandibular nerve gives off the ___ ___ and ___ nerves, which are sensory except the ___ branch of the ____

Back 54

auriculotemporal, lingual, and inferior alveolar nerves

Mylohyoid branch of inferior alveolar.

Front 55

Which nerve splits around the middle meningeal artery?

What fibers are carried in this nerve, from where do they come from, and where are they headed?

Back 55

auriculotemporal

GVE Postganglionic Parasympathetic Fibers, from the Otic ganglion to the Parotid gland

Front 56

The Lingual nerve carries ___ ___ fibers (to/from) the submandibular ganglion

Back 56

Preganglionic Parasympathetic TO

Front 57

After traversing the infratemporal fossa, the maxillary artery passes through what foramen?

It leads to what space?

Back 57

The pterygomaxillary fissure into the pterygopalatine fossa

Front 58

The maxillary artery is divided into three parts in relation to what?

Back 58

The lower head of the lateral pterygoid muscle. The 2nd part may be lateral or medial to the muscle, and the 3rd is mostly in the pterygoid fossa

Front 59

What are branches of the first part of the maxillary artery?

Back 59

Deep auricular,
Anterior tympanic
Middle Meningeal
Inferior Alveolar
Accessory Meningeal

Front 60

What arteries branch off the second part of the maxillary artery?

Back 60

Muscular branches to the muscles of mastication and the Buccal artery

Front 61

What are the branches off the third part of the maxillary artery?

Back 61

infraorbital, greater palatine, sphenopalatine, pharyngeal, artery pf the pteryoid canal, posterior alveolar artery

Front 62

The middle meningeal artery traverses the ___ ___ to supply the cranial vault and meninges

Back 62

foramen spinosum

Front 63

The TMJ is formed by what?

Back 63

head of mandible and squamous part of the temporal bone

Front 64

Depression of the mandible is performed by what muscle?

Back 64

lateral pterygoid and accessory muscles of mastication (digastric, mylohyoid, and geniohyoid)

Front 65

What muscle protracts the mandible?

Back 65

The lateral pterygoid with some assistance from the medial pterygoid

Front 66

Retraction of the mandible is performed by what muscle?

Back 66

Posterior fibers of the temporalis and deep part of the masseter