Test 3 - Quiz 8 - Infratemporal and Pterygopalatine Facial Spaces

Question 1

What foramen are in the infratemporal fossa?

Answer 1

Ovale, spinosum, mandibular (TMJ)

Question 2

What fissure is in the ITF?

Answer 2

Petrotympanic fissure

Question 3

What muscle is involved with the TMJ?

Answer 3

Lat pterygoid

Question 4

What are the muscles of mastication?

Answer 4

Temporalis
Masseter
Med pterygoid
Lat pterygoid

Question 5

What is the infratemporal fossa superior boundary?

Answer 5

Inferior surface of greater wing of sphenoid

Question 6

What is the inferior border of the infratemporal fossa?

Answer 6

Imaginary plane medial to ramus of mandible

Question 7

What is the anterior border of the infratemporal fossa?

Answer 7

Infratemporal portion of maxilla

Question 8

What is the posterior border of the infratemporal fossa?

Answer 8

Styloid process

Question 9

What is the medial border of the infratemporal fossa?

Answer 9

Pterygomaxillary fissure

Question 10

What are the muscles found in the infratemporal fossa?

Answer 10

Temporalis
Medial pterygoid
Lateral pterygoid
Masseter

Question 11

What nerves are in the infratemporal fossa?

Answer 11

Inf alevolar n.

Auriculotemporal n.

Lingual n.

Chorda tympani n.

Long buccal of V-3

Question 12

What vasculature is in the infratemporal fossa?

Answer 12

Mid meningeal

Deep temporal

Inf alveolar

Inf orbital

Question 13

What is the superior border of the pterygopalatine fossa?

Answer 13

Body of sphenoid

Question 14

What is the anterior border of the pterygopalatine fossa?

Answer 14

Maxilla

Question 15

What is the posterior border of the pterygopalatine fossa?

Answer 15

Pterygoid process and greater wing of sphenoid

Question 16

What is the medial border of the pterygopalatine fossa?

Answer 16

Palatine bone and sphenopalatine foramen

Question 17

What is the lateral border of the pterygopalatine fossa?

Answer 17

Infratemporal fossa via pterygomaxillary fissure

Question 18

What are the 5 foramina in the pterygopalatine fossa?

Answer 18

Rotundum, pterygoid canal, pharyngeal canal, sphenopalatine foramen, greater and lesser palatine canals

*Also IOF and pterygomaxillary fissure

Question 19

What nerves are in the pterygopalatine fossa? (10)

Answer 19

CN V2 - Zygomatic (-zygomaticotemporal, zygomaticofacial), nasopalatine, infraorbital (Mid and ant sup alveolar nn.), sup alve via infraorbital fissure

Pterygopalatine ganglion - greater and lesser palatine nn, nasopharynx-palatine n, pterygopalatine n

Greater and lesser petrosal nerves

Question 20

What vasculature is in the pterygopalatine fossa? (6 aa.)

Answer 20

Post sup alve

Infraorbital

Descending palatine

Artery of pterygoid canal

Pharyngeal

Sphenopalatine

Question 21

What 2 muscles do protrusion of the TMJ?

Answer 21

Lat and med pterygoids

Question 22

What 4 muscles do retraction?

Answer 22

Temporalis, masseter, geniohyoid, and digastric

Question 23

What 3 muscles do elevation?

Answer 23

Temporalis, masseter, med pterygoid

*All muscles of mastication, except lat pterygoid

Question 24

What 3 muscles and two groups of muscles do depression of mandible?

Answer 24

Digastric, geniohyoid, mylohyoid, suprahyoids, infrahyoids

Question 25

What muscle does lateral excursion?

Answer 25

Lat pterygoid - unilateral contraction moves mandible towards other side - working condyle rotates - non-working condyle translates forward

Question 26

What foramen does CN V2 utilize?

Answer 26

Rotundum

Question 27

The ophthalmic and oculomotor nerves go to what ganglion and then what para and sym nn are sent to the eyeball? Target?

Answer 27

Ciliary Short ciliary nn. Intrinsic eye mm.

Question 28

The maxillary n., greater petrosal n., and deep petrosal n., all go to what ganglion? Targets?

Answer 28

Pterygopalatine ganglion Lacrimal gland, nasal cavity, max sinus, palate

Question 29

The pterygopalatine ganglion sends out what nerves?

Answer 29

Nasopalatine Pterygopalatine Greater palatine Lesser palatine

Question 30

The mandibular n., and lesser petrosal n. go to what ganglion and what nerve is sent out? Target?

Answer 30

Otic gang Auriculotemporal n. Parotid

Question 31

Chorda tympani and lingual nerves go to what ganglion? Targets?

Answer 31

Submandibular Submandibular and sublingual glands

Question 32

MAKE A MNEMONIC FOR NERVES AND ARTERIES IN THE PTERYGOPALATINE FOSSA

Answer 32

Do it jack.