Foramina and Contents

Question 1

Superior orbital fissure

Answer 1

CN:
III
IV
VI

Question 2

Inferior orbital fissure

Answer 2

Infraorbital n (V2)
Zygomatic n (V2)
Infraorbital a (3rd part of maxillary a)

Question 3

Infraorbital canal and foramen

Answer 3

Infraorbital NAV

Question 4

Frontal incisure

Answer 4

Supraorbital n (medial branch)

Question 5

Supraorbital foramen

Answer 5

Supraorbital n (lateral branch)

Question 6

Ethmoidal foramina

Answer 6

ant and post ethmoidal NAV

Question 7

Nasolacrimal canal

Answer 7

nasolacrimal duct

Question 8

Optic canal

Answer 8

optic n

Question 9

Foramen ovale

Answer 9

V3

Question 10

Mandibular foramen

Answer 10

inf alveolar n (general sensory from V3)
--teeth
--lower lip
--gingivae
inf alveolar a (from 1st part of maxillary a; via mandibular canal)

Question 11

Petrotympanic fissure

Answer 11

chorda tympani (enters infratemporal fossa)
then joins lingual n

Question 12

Foramen spinosum

Answer 12

middle meningeal a (from first part of maxillary a)

Question 13

Pterygomaxillary fissure then sphenopalatine foramen

Answer 13

sphenopalatine a (terminal branch of 3rd part of maxillary a)