Infratemporal Fossa

Question 1

What is the infratemporal fossa

Answer 1

A space beneath the base of the skull, between the skull and the ramus of the mandible

Question 2

What is the anterior boundary of the ITF

Answer 2

Posterior surface of the maxilla

Question 3

Posterior border of ITF

Answer 3

Styloid process

Question 4

Superior border of ITF

Answer 4

Infratemporal surface of the greter wing of the sphenoid

Question 5

Medial boundary of ITF

Answer 5

Lateral pterygoid plater

Question 6

Lateral boundary of ITF

Answer 6

Ramus of the mandible

Question 7

What is within the ITF

Answer 7

Lat and med pterygoids
Mandibular division of trigeminal and branches
Maxillary artery and branches
Pterygoid venous plexus
Chorda tympani
Otic ganglion

Question 8

Movements of the pterygoids

Answer 8

Med - assists in elevating the mandible
Lat - pulls the neck of the mandible forward
Both - chewing movements

Question 9

What innervates the pterygoids

Answer 9

Mandibular division of CN V

Question 10

Anterior divisions of mandibular division of trigeminal

Answer 10

2 deep temporal
Masseteric
Nerve to lateral pterygoid
Buccal

Question 11

Which of the anterior nerves are sensory

Answer 11

Buccal

Question 12

Posterior divisions of the mandibular division of the trigeminal

Answer 12

Lingual
Inferior alveolar
Mylohyoid
Auriculotemporal

Question 13

What nerve is joined by the chorda tympani

Answer 13

Lingual

Question 14

What are the pre-divisions of the mandibular division of the trigeminal

Answer 14

Meningeal
Nerve to medial pterygoid
Tensor tympani and tensor veli palatini

Question 15

What are the muscular branches of the maxillary artery

Answer 15

Deep temporal
Masseteric
Pterygoid

Question 16

Where does the maxillary artery pass between

Answer 16

The two heads of the lateral pterygoid to go into the pterygomaxillary fissure

Question 17

What branches does the maxillary give off after leaving the fossa

Answer 17

Posterior superior alveolar branch

Question 18

What are the three parts of the maxillary artery

Answer 18

Mandibular, pterygoid and pterygopalatine

Question 19

What are the pterygopalatine branches

Answer 19

Posterior superior alveolar
Infraorbital
Anterior superior alveolar branches

Question 20

What does the pterygoid venous plexus surround

Answer 20

The lateral pterygoid

Question 21

What vein contribute to the pterygoid venous plexus

Answer 21

Orbit, nasal and oral cavities

Question 22

What does the pterygoid venous plexus communicate with

Answer 22

Cavernous sinus and facial vein

Question 23

What drains the pterygoid venous plexus

Answer 23

Maxillary vein

Question 24

What type of joint if the TMJ

Answer 24

Synovial joint

Question 25

Where is the TMJ

Answer 25

Between the head of the mandible and mandibular fossa and the articular tubercle on the squamous part of the temporal bone

Question 26

What covers the articualr surfaces of the TMJ

Answer 26

Fibrocartilage

Question 27

What type of capsule does the TMJ have

Answer 27

Fibrous

Question 28

What nerves supply the TMJ

Answer 28

Auriculotemporal and masseteric

Question 29

What reinforces the TMJ capsule

Answer 29

The lateral temporomandibulad ligament

Question 30

What supports the TMJ medially

Answer 30

Sphenomandibular and stylomandibular ligaments

Question 31

What does the lateral pterygoid attach to

Answer 31

Articular disc and capsule

Question 32

What is the cavity divided by

Answer 32

Fibrous articular disc

Question 33

What is the function of the disc

Answer 33

Increases congruity of articular surfaces

Question 34

What movement does the head of the mandible and the disc give

Answer 34

Elevation and depression

Question 35

What movement does the

Answer 35

Lol

Question 36

What happens to close the mouth

Answer 36

Elevation and retraction pull the condyle backwards

Question 37

What happens to open the mouth

Answer 37

Both sides depress...