Pterygopalatine Fossa

Question 1

Boundaries of the Pterygopalatine Fossa:

Posterior surface of the maxilla

Answer 1

Anterior

Question 2

Boundaries of the Pterygopalatine Fossa:

Pterygoid processs

Answer 2

Posterior

Question 3

Boundaries of the Pterygopalatine Fossa:

Greater wing of the sphenoid

Answer 3

Superior

Question 4

Boundaries of the Pterygopalatine Fossa:

Perpendicular plate of the palatine bone

Answer 4

Medial

Question 5

Openings into the Pterygopalatine Fossa:

Pterygomaxillary fissure

Answer 5

Lateral Wall

Question 6

Openings into the Pterygopalatine Fossa:

Sphenopalatine foramen

Answer 6

Medial Wall

Question 7

Openings into the Pterygopalatine Fossa:

Inferior orbital fissure

Answer 7

Anterior Wall

Question 8

Openings into the Pterygopalatine Fossa:

Pterygoid canal

Answer 8

Posterior Wall

Question 9

Openings into the Pterygopalatine Fossa:

Foramen rotundum

Answer 9

Ceiling

Question 10

Openings into the Pterygopalatine Fossa:
The Pterygopalatine fossa has no _______. Just a passage to the greater and lesser palatine canals. ____ passes through, and the ganglion hangs from it.

Answer 10

Floor

V2

Question 11

The pterygopalatine ganglion is a ____________ ganglion located in the pterygopalatine fossa. The ganglion receives 3 types of fibers:
____________
__________
___________

Answer 11

Parasympathetic
Sensory
Preganglionic parasympathetic fibers
Postganglionic sympathetic fibers

Question 12

The ________ nerve and __________ nerve join to form the nerve of thee pterygoid canal.

Answer 12

Greater petrosal

Deep petrosal

Question 13

Nerve of the ______ _______ terminates in the pterygopalatine ganglion.

Answer 13

Pterygoid canal

Question 14

The ______ nerve (V2), exits the middle cranial fossa through the foramen rotundum. It contains only _____ fibers. It then enters the pterygopalatine fossa and travels in the upper part of the fossa. It enters the orbit via the inferior orbital fissure and changes name to the ________ nerve.

Answer 14

maxillary
Sensory
Infraorbital

Question 15

Branches of V2:

Innervated dura mater in the middle cranial fossa

Answer 15

Intracranial Branch

Question 16

Branches of V2:

Connect V2 with the pterygopalatine ganglion; contain mostly sensory fibers

Answer 16

Ganglionic branches

Question 17

Branches of V2:

Divides into the zygomaticotemporal and zygomaticofacial nerves, supply skin over temporal region and cheek

Answer 17

Zygomatic nerve

Question 18

Branches of V2:

Has a branch that contains postganglionic parasympathetic fibers destined for the lacrimal gland.

Answer 18

Zygomaticotemporal nerve

Question 19

Branches of V2:

Supplies maxillary molar teeth and mucosa of maxillary sinus

Answer 19

Posterior superior alveolar nerve

Question 20

Branches of V2: supplies maxillary premolars and mucosa of maxillary sinus

Answer 20

Middle superior alveolar nerve

Question 21

Branches of V2:

Supplies maxillary incisors and canine teeth and mucosa of maxillary sinus

Answer 21

Anterior s superior alveolar nerve

Question 22

Branches of the Pterygopalatine Part of the Maxillary Artery:
Divides into the greater and lesser palatine arteries to hard and soft palate

Answer 22

Descending palatine artery

Question 23

Branches of the Pterygopalatine Part of the Maxillary Artery:
Passes through the palatovaginal canal with a branch of the pterygopalatine ganglion, supplies the mucosa of the nasopharynx and sphenoid sinus

Answer 23

Pharyngeal artery

Question 24

Branches of the Pterygopalatine Part of the Maxillary Artery:
Supplies the walls and contents of the pterygoid canal and mucosa of the nasopharynx, auditory tube, and tympanic cavity

Answer 24

Artery of the pterygoid canal

Question 25

Branches of the Pterygopalatine Part of the Maxillary Artery:
Enters the nasal cavity through the sphenopalatine foramen, it gives the following branches:
-posterolateral nasal branches, supplies posterior part of lateral wall of nasal cavity
-posterior septal branches, supplies mucosa of the posterior part of the nasal septum.

Answer 25

Sphenopalatine artery (or pterygopalatine artery - same thing)