Infratemporal Fossa/Pterygopalatine Fossa

Question 1

IT fossa lateral

Answer 1

Ramus of middle and zygomatic arch

Question 2

IT fossa medial

Answer 2

Lateral pterygoid plate

Question 3

IT fossa anterior

Answer 3

Posterior part of maxilla

Question 4

IT fossa posterior

Answer 4

TMJ joint

Question 5

IT fossa superior

Answer 5

Great wing of sphenoid

Question 6

Contents of IT fossa

Answer 6

Pterygoids 
Maxillary artery
Pterygoid plexus of veins 
Mandibular division of of trigeminal
Otic ganglion

Question 7

Temporalis action

Answer 7

Elevate

Question 8

Masseter action

Answer 8

Elevate mandible

Question 9

Medial pterygoid action

Answer 9

Elevate mandible

Question 10

Lateral pterygoid action

Answer 10

Protract and depress chin

Question 11

TMJ joint

Answer 11

Articulates at condylar process of mandible

Contains articular disc to create 2 cavitiies

Question 12

Movements of TMJ

Answer 12

Anterior glidiing between articular disc and mandibular fossa at superior
Rotation between mandibular codyle and articular disc at inferior cavity

Question 13

Anterior branches of external carotid

Answer 13

Superior thyroid
Lingual
Facial

Question 14

Medial branches of external carotid

Answer 14

Ascending pharyngeal

Question 15

Posterior branches of external cartoid

Answer 15

Occipital and posterior auricular

Question 16

Terminal branches of external carotid

Answer 16

Maxillary and superficial temporal artery

Question 17

3 portions of maxillary artery

Answer 17

Deep to ramus of mandible
Anterior to ramus
Enterance of pterygopalatine fossa and continue into fossa

Question 18

Middle mengingeal artery runs where and supplies

Answer 18

Between auriculotemporal to enter foramen spinosum to supply meninges

Question 19

Inferior alveolar artery runs and supplies

Answer 19

Through mandibular foramen to supply the teeth of the mandible

Question 20

Posterior superior alveolar artery runs and supplies

Answer 20

Enters pterygomaxillary fissue

POsterior teeth

Question 21

Infraorbital artery runs and supplies

Answer 21

Through infraorbital fissure and along infraorbital groove…terminates on maxilla at infraorbital foramen

Supplies anterior teeth with anterior superior alveolar artery

Question 22

Descending paaltine artery runs and supplies

Answer 22

Into palatine canal to supply hard and soft palates

Question 23

Sphenopalatine artery runs and supplies

Answer 23

Through sphenopalatine foramen to supply lateral nasal cavity and nasal septum

Question 24

How pterygoid plexus of veins connects

Answer 24

As maxillary vein to retromandibular to IJV

Question 25

Pterygoid plexus of veins connects to

Answer 25

Deep facial vein and cavernous sinus

Question 26

Inferior alveolar nerve path and supply

Answer 26

Through mandibular foramen Sensory to mandibular teeth Terminates as mental nerve

Question 27

Auriculotemporal nerve path and supply

Answer 27

Two roots surrounding middle meningeal artery | Sensory to skin anterior to the ear

Question 28

Lingual nerve supply

Answer 28

Sensory to tongue

Question 29

Buccal nerve supply

Answer 29

Sensory to inside of cheek

Question 30

Nerves to muscles of mastication

Answer 30

Independent branches of mandibular that run to respective muscles

Question 31

Sublingual and submandibular glands from

Answer 31

CN 7 Preganglionic parasymp neurons from superior salivary nucleus Post ganglionic parasympathetic from submandibular gangliojn

Question 32

Parotid gland innervation

Answer 32

CN 9 Pre-para from inferior salivary nucleus Post-para from otic ganglion

Question 33

Lateral opening of pterygopalatine fossa

Answer 33

Pterygomaxillary fissure to infratemp fossa

Question 34

Posterior opening of PP fossa

Answer 34

Foramen rotundum and pterygoid canal to cranial cavity

Question 35

Medial opening PP fossa

Answer 35

Sphenopalatine foramen to nasal cavity

Question 36

Anterior opening of PP fossa

Answer 36

Infraorbital fissure through infraorbital foramen

Question 37

Inferior opening of PP fossa

Answer 37

Palatine canal

Question 38

Maxiallry nerve nerve enters PP fossa throguh

Answer 38

Foramen rotundum

Question 39

Branches of maxillary nerve in PP fossa

Answer 39

Infraorbital Zygomatic Posterior superior alveolar

Question 40

Zygomatic nerve supply

Answer 40

Sensory to lateral side of the face

Question 41

Infraorbital nerve supply and path

Answer 41

Anterior superior maxillary teeth from anterior superior alveolar nerve Leaves through inferior orbital fissure

Question 42

Posteior superior alveolar nerve supply

Answer 42

Sensory to posterior maxillary teeth

Question 43

Sphenopalatine nerves path and supply

Answer 43

Travel through sphenopalatine foramen to enter nasal cavity...sensory to nasal cavity

Question 44

Descing palatine nerves leave through and suply

Answer 44

Palatine canal | Sensory to hard and soft palate

Question 45

Innervation of lacrimal gland and nasal/oral glands

Answer 45

CN 7 Para-pre is from superior salivary nucleus Post sym from pterygopalatine ganglion

Question 46

Trigeminal neuralgia cause

Answer 46

Compressions of V2/V3 of trigeminal

Question 47

Mandibular portion of maxillary artery

Answer 47

middle meningeal and inferior alveolar artery

Question 48

Pterygoid portion of maxillary artery

Answer 48

Muscular branches

Question 49

Pterygoplatine portion of maxillary artery

Answer 49

Posterior superior alveolar Infraorbital Greater/lesser palatine Sphenopalatine

Question 50

Mandibular nerve branches in IT fossa

Answer 50

All

Question 51

Maxillary nerves in PP fossa

Answer 51

All