Infratemporal Fossa

Question 1

2 parts that make up infratemporal fossa

Answer 1

zygomatic arch
ramus of mandible

Question 2

5 parts of infratemporal fossa

Answer 2

pterygoid venous plexus
maxillary a.
muscles of mastication
CN V3
TMJ

Question 3

muscles of mastication innervated by what

Answer 3

CN V3

Question 4

more medial muscle of mastication

Answer 4

temporalis m

Question 5

more lateral muscle of mastication

Answer 5

masseter m.

Question 6

occludes the jaw (closes mouth)

Answer 6

masseter m.

Question 7

retracts and occludes mandible

Answer 7

temporalis m.

Question 8

opens the mouth

Answer 8

lateral pterygoid m.

Question 9

grinding motion

Answer 9

medial pterygoid m.

Question 10

what splits the medial pterygoid plate

Answer 10

lateral pterygoid plate

Question 11

4 branches of mandibular n.

Answer 11

auriculotemporal n
mental n
lingual n
buccal n

Question 12

sensory to cheek inside and outside

Answer 12

buccal n (does NOT supply buccinator m.)

Question 13

general sensory to anterior 2/3rds of tongue

Answer 13

lingual n

Question 14

motor to mylohyoid m. and branch of inferior alveolar n

Answer 14

nerve to mylohyoid

Question 15

2 branches of inferior alveolar n

Answer 15

nerve to mylohyoid
mental n.

Question 16

general sensory to mandibular region of face

Answer 16

mental n

Question 17

general sensory to lower teeth and gums

Answer 17

inferior alveolar n

Question 18

general sensory to TMJ and face in front of ear

Answer 18

auriculotemporal n

Question 19

postganglionic nerves from submandibular ganglion innverate what

Answer 19

sublingual and submandibular salivary glands

Question 20

afferent cell bodies from lingual n are located where

Answer 20

gasserian/semilunar ganglion

Question 21

afferent cell bodies from chorda tympani are located where

Answer 21

geniculate ganglion

Question 22

6 branches of maxillary a.

Answer 22

infraorbital a
sphenopalatine a
middle meningeal a
inferior alveolar a
posterior superior alveolar a
anterior and middle superior alveolar a

Question 23

3 arteries that supply upper teeth

Answer 23

infraorbital a (also maxillary region)
anterior and middle superior alveolar a
posterior superior alveolar a

Question 24

supplies lower teeth and mandibular region of face

Answer 24

inferior alveolar a

Question 25

supplies meninges and can be lacerated during pteryion facture

Answer 25

middle meningeal a

Question 26

supplies nasal chamber

Answer 26

sphenopalatine a

Question 27

infratemporal fossa veins and what drain into cavernous sinus

Answer 27

pterygoid venous plexus

Question 28

what 3 things can bring infection from face into cavernous sinus and cause cavernous sinus thrombosis and could cause meningitis

Answer 28

superior ophthalmic v
inferior ophthalmic v
pterygoid venous plexus

Question 29

sensory innervation to TMJ

Answer 29

auriculotemporal n

Question 30

what pulls condylar process forward that opens mouth and can also dislocate TMJ

Answer 30

lateral pteryoid plate

Question 31

cell bodies for nerves supplying special sensory (taste) to the anterior 2/3rds of the tongue located where

Answer 31

Geniculate Ganglion

Question 32

cell bodies for nerves supplying general sensory to the anterior 2/3rds of the tongue located where

Answer 32

Semilunar/Gasserion Ganglion