Gross 29

Question 1

Which fibers synapse at pterygopalatine ganglion?

Answer 1

parasympathetic

Question 2

How many openings associated with pterygopalatine fossa

Answer 2

7

Question 3

Pterygopalatine fossa opennings

Answer 3

Pterygomaxillary fissure: lateral
Sphenopalatine foramen: medial
Foramen rotundum: posteriorsuperior
Inferior orbital fissure: anterosuperior
Pterygoid canal: posterior
Pharyngeal canal: posterior
Palatine canal: inferior

Question 4

Contents thru pterygomaxillary fissure

Answer 4

Maxillary artery

PSA n.

Question 5

Contents thru Sphenopalatine foramen

Answer 5

Posterior superior lateral nasal of Maxillary V2
Nasopalatine V2
Sphenopalatine artery

Question 6

nerves thru foramen rotundum

Answer 6

Maxillary V2

Question 7

neurovasculature thu inferior orbital fissure

Answer 7

Infraorbital V2 and artery

Zygomatic V2 and artery

Question 8

Pterygoid canal connects

Answer 8

foramen lacerm and sphenopalatine foramen

Question 9

Pterygoid canal contents

Answer 9

Vidian nerve of pterygoid cana

Ptregyoid branch of max artery

Question 10

Palatine canal contents

Answer 10

Greater Palatine V2
Lesser Palatine V2
Descending palatine a.
Greater palatine a.
Lesser palatine a.

Question 11

Fibers from Deep petrosal nerve and greater petrosal nerve in pterygoid canal
(pre/post, symp, para)

Answer 11

Postganglionic sympathetic from deep petrosal

Preganglionic parasympathetic from greater petrosal

Question 12

Vidian nerve supplies

Answer 12

lacrimal gland
nasal gland
palatal gland