Lab #9

Question 1

descending palatine artery identification

Answer 1

descends from maxillary artery within pterygopalatine fossa; divides into greater and lesser palatine arteries

Question 2

descending palatine artery supplies

Answer 2

gives off branches to palate

Question 3

descending palatine artery bony landmark

Answer 3

palatine canal

Question 4

greater palatine artery identification

Answer 4

anterior branch from descending palatine artery; travels anteriorly on hard palate

Question 5

greater palatine artery supplies

Answer 5

hard palate posterior to canines

Question 6

lesser palatine artery identification

Answer 6

posterior branch from descending palatine artery; travels posteriorly to soft palate

Question 7

lesser palatine artery supplies

Answer 7

soft palate and palatine tonsil

Question 8

infra-orbital artery identification

Answer 8

superiorly from maxillary artery to enter inferior orbital fissure; travels with infra-orbital nerve

Question 9

infra-orbital artery supplies

Answer 9

skin of maxillary cheek, lower eyelid, upper lip, and lateral nose

Question 10

infra-orbital artery bony landmark

Answer 10

inferior orbital fissure to infra-orbital groove, canal, and foramen

Question 11

sphenopalatine artery identification

Answer 11

terminal branch of maxillary artery; gives rise to posterior lateral nasal and posterior septal branches; will likely be cut (look for lumen)

Question 12

sphenopalatine artery supplies

Answer 12

gives off branches to lateral nasal wall and nasal septum

Question 13

sphenopalatine artery bony landmark

Answer 13

sphenopalatine foramen to nasal cavity

Question 14

greater palatine artery bony landmark

Answer 14

greater palatine foramen

Question 15

lesser palatine artery bony landmark

Answer 15

lesser palatine foramen

Question 16

nerve of pterygoid canal identification

Answer 16

inferior to CN V2 and posterior to pterygopalatine ganglion; along inferior wall of sphenoid sinus

Question 17

nerve of pterygoid canal supplies

Answer 17

autonomics to pterygopalatine ganglion (deep petrosal and greater petrosal nerves merge at nerve of pterygoid canal)

Question 18

nerve of pterygoid canal bony landmark

Answer 18

pterygoid canal

Question 19

greater palatine nerve identification

Answer 19

descends from pterygopalatine ganglion and goes anteriorly toward hard palate

Question 20

greater palatine nerve supplies

Answer 20

mucosa of hard palate and gingiva posterior to canines

Question 21

greater palatine nerve bony landmark

Answer 21

greater palatine foramen

Question 22

lesser palatine nerve identification

Answer 22

descends from pterygopalatine ganglion and goes posteriorly toward soft palate

Question 23

lesser palatine nerve supplies

Answer 23

mucosa of soft palate, uvula, and palatine tonsil

Question 24

lesser palatine nerve bony landmark

Answer 24

lesser palatine foramen

Question 25

posterior superior alveolar nerve identification

Answer 25

last branch of CN V2 before inferior orbital fissure; descends toward maxillary sinus

Question 26

posterior superior alveolar nerve supplies

Answer 26

maxillary molars + gingiva (EXCEPT MB root of 1st molar); maxillary sinus

Question 27

posterior superior alveolar nerve bony landmark

Answer 27

PSA foramen

Question 28

infra-orbital nerve identification

Answer 28

travels posterior to anterior through superior part of maxillary sinus

Question 29

infra-orbital nerve supplies

Answer 29

skin over maxillary cheek, lower eyelid, upper lip, and lateral nose

Question 30

infra-orbital nerve bony landmark

Answer 30

infra-orbital groove, canal, foramen

Question 31

middle superior alveolar nerve identification

Answer 31

branches off infra-orbital nerve; goes within lateral wall of maxillary sinus

Question 32

middle superior alveolar nerve supplies

Answer 32

MB root of 1st maxillary molar and premolars + gingiva; maxillary sinus

Question 33

middle superior alveolar nerve bony landmark

Answer 33

roots of maxillary premolars

Question 34

anterior superior alveolar nerve identification

Answer 34

proximal to infra-orbital foramen; branches off infra-orbital nerve; goes within anterolateral wall of maxillary sinus

Question 35

anterior superior alveolar nerve supplies

Answer 35

incisors, canines, + gingiva; maxillary sinus

Question 36

anterior superior alveolar nerve bony landmark

Answer 36

roots of canines/incisors

Question 37

CN V2 identification

Answer 37

travels posterior to anterior through superior part of pterygopalatine fossa

Question 38

CN V2 bony landmark

Answer 38

foramen rotundum