max n and PP ganglion

Question 1

maxillary n is sensory or motor

Answer 1

only sensory

Question 2

max n originates from

Answer 2

trigeminal ganglion in MCF

Question 3

max n enters PP fossa through

Answer 3

foramen rotundum

Question 4

branches of max n

Answer 4

• middle meningeal
• zygomatic
• posterior superior alveolar
• infraorbital
• ganglionic branches

Question 5

ganglionic branches

Answer 5

• orbital branches
• palatine nn
• nasal nn
• pharyngeal n

Question 6

branches of infraorbital n

Answer 6

anterior and middle superior alveolar nn

Question 7

middle meningeal n supplies

Answer 7

meninges of MCF

Question 8

zygomatic n enters orbit via

Answer 8

inferior orbital fissure

Question 9

zygomatic n branches

Answer 9

• zygomaticotemporal n

- zygomaticofacial n

Question 10

zygomaticotemporal n supplies

Answer 10

scalp over the temple

Question 11

zygomaticofacial n supplies

Answer 11

skin on the prominence of the cheek (zygomatic region)

Question 12

posterior superior alveolar n supplies

Answer 12

• max molar teeth (EXCEPT MB root of 1st molar)
• mucosal lining of max sinus
• buccal gingiva of max molars

Question 13

infraorbital n is the anterior continuation of

Answer 13

maxillary n

Question 14

infra orbital n exits the fossa via

Answer 14

inferior orbital fissure

Question 15

inferior orbital fissure is formed by what two bones

Answer 15

greater wing of sphenoid and maxilla

Question 16

inferior orbital fissure allows for communication with

Answer 16

• orbit and PP fossa

- orbit and IT fossa

Question 17

middle superior alveolar n supplies

Answer 17

• premolar teeth (EXCEPT MB root of 1st molar)
• mucosal lining of max sinus
• vestibular gingiva of max premolars

Question 18

what nerves supply mucosal lining of max sinus

Answer 18

-posterior, middle, and anterior superior alveolar n

Question 19

anterior superior alveolar n supplies

Answer 19

• incisors and canine teeth
• mucosal lining of max sinus
• vestibular gingiva of max incisors and canine
• lateral wall near anterior end of inferior nasal concha

Question 20

branches of infraorbital n

Answer 20

• lateral nasal
• inferior palpebral
• superior labial

Question 21

lateral nasal branch

Answer 21

external branch: skin over lateral aspect of external nose

internal branch: skin over vestibule and antero-inferior aspect of nasal septum

Question 22

inferior palpebral branch

Answer 22

skin of lower eyelid

Question 23

superior labial branch

Answer 23

skin over upper lip and related oral mucosa

Question 24

nerve of pterygoid canal is formed by

Answer 24

greater petrosal n (CN7) and deep petrosal n (internal carotid plexus)

Question 25

greater petrosal n (CN7) supplies

Answer 25

• mucous glands in nasal cavity
• minor salivary glands in upper half of oral cavity (hard and soft palate, superior portion of pharynx)
• lacrimal gland

Question 26

deep petrosal n fibers originate in

Answer 26

superior cervical sympathetic ganglion

Question 27

deep petrosal supplies

Answer 27

blood vessels of upper and middle facial region

Question 28

greater petrosal n fiber type

Answer 28

preganglionic parasymp

Question 29

deep petrosal n fiber type

Answer 29

post ganglionic sympathetic

Question 30

incoming fibers of PP ganglion

Answer 30

-sensory branches (from max n)
-sympathetic branches (from deep petrosal n)
-parasymp (from greater petrosal n)
NOTE: deep and greater petrosal nn form the n to pterygoid canal before synapsing on PP ganglion

Question 31

orbital branches supply

Answer 31

• periosteum of orbit

- sphenoidal and ethmoidal sinuses

Question 32

nasopalatine n (branch of nasal branches) path

Answer 32

passes through incisive canal and foramen to enter hard palate

Question 33

nasopalatine n supplies

Answer 33

• palatal mucosa, gingiva, and glands from max canine to central incisor
• nasal branch: nasal septum

Question 34

greater palatine n supplies

Answer 34

-palatal mucosa, gingiva, and glands from max premolars to molars

Question 35

lesser palatine n supplies

Answer 35

mucosa and glands of soft palate

Question 36

pharyngeal n supplies

Answer 36

mucosa and glands of nasopharynx