Pterygopalatine Fossa

Question 1

Pterygopalatine Ganglion

Answer 1

parasympathetic, 3 fibers
Sensory- V2
Pre Para- Greater Petrosal N
Post Symp- Deep Petrosal N

Question 2

Greater Petrosal N

Answer 2

branch of CN7
takes pre para fibers to pterygopalatine ganglion
joins deep petrosal n to make N of Pterygoid Canal

Question 3

Nerve of Pterygoid Canal

Answer 3

ends at pterygopalatine ganglion

pre para

Question 4

Maxillary Nerve (V2)

Answer 4

sensory fibers
enters middle cranial fossa thru foramen rotunda, then pterygopalatine fossa
passes thru inferior orbital fissure to become Infraorbital Nerve

Question 5

Intracranial Branch

Answer 5

from V2

innervates dura mater in middle cranial fossa

Question 6

Ganglionic Branches

Answer 6

from V2
Connects V2 to pterygopalatine ganglion
has some post para fibers

Question 7

Zygomatic Nerve

Answer 7

from V2
splits into zygomaticotemporal and zygomaticofacial
supplies skin over temporal region and cheek

Question 8

Zygomaticotemporal Nerve

Answer 8

from V2

has post para to go to lacrimal gland

Question 9

Posterior Superior Alveolar Nerve

Answer 9

From V2

supplies maxillary molar teeth and and mucosa of maxillary sinus

Question 10

Middle Superior Alveolar Nerve

Answer 10

From V2

Supplies maxillary premolars and mucosa of maxillary sinus

Question 11

Anterior Superior Alveolar Nerve

Answer 11

From V2

Supplies maxillary incisors and canine teeth and mucosa of maxillary sinus

Question 12

Pterygopalatine Part of Maxillary Artery

Answer 12

enters pterygopalatine fossa thru pterygomaxillary fissure

branches follow V2

Question 13

Posterior Superior Alveolar Artery

Answer 13

from Pterygopalatine Part

supplies maxillary molar and premolar teeth, and mucosa of maxillary sinus

Question 14

Infraorbital Artery

Answer 14

From Pterygopalatine Part

splits into anterior superior alveolar a and terminal branches

Question 15

Anterior Superior Alveolar Artery

Answer 15

from Infraorbital A

supplies maxillary incisor and canine teeth, mucosa of maxillary sinus

Question 16

Terminal Branches of Infraorbital Artery

Answer 16

Supply structures of face

Question 17

Descending Palatine Artery

Answer 17

from Pterygopalatine Part

divides into greater and lesser palatine arteries to hard and soft palate

Question 18

Pharyngeal Artery

Answer 18

from Pterygopalatine Part
runs w/ branches of pterygopalatine ganglion branches
supplies mucosa of nasopharynx and sphenoid sinus

Question 19

Artery of Pterygoid Canal

Answer 19

from Pterygopalatine Part

Supplies walls and contents of pterygoid canal and mucosa of nasopharynx, auditory tube, tympanic cavity

Question 20

Sphenopalatine Artery

Answer 20

from Pterygopalatine Part
enters nasal canal thru sphenopalatine foramen
splits into posteriolateral nasal and posterior septal branches

Question 21

Posteriolateral Nasal Branches

Answer 21

from Sphenopalatine A

supplies posterior part of lateral wall of nasal cavity

Question 22

Posterior Septal Branches

Answer 22

from Sphenopalatine A

supplies mucosa of posterior part of nasal septum