Skull base

Question 1

Optic canal

Answer 1

CN II: optic nerve

Ophthalmic artery

Question 2

Superior Orbital fissure

Answer 2

CN III: Occulomotor
CN IV: Trochlear
CN V: V1 (Ophthalmic Division) Trigeminal
CN VI: Abducens
Orbital branches middle meningeal artery
Recurrent meningeal branches of lacrimal artery

Question 3

Inferior Orbital Fissure

Answer 3

Infraorbital nerve (V2)
Infraortbital artery
Ophthalmic vein

Question 4

Carotid canal

Answer 4

Sympathetic plexus

ICA

Question 5

Foramen rotundum

Answer 5

Maxillary nerve (V2)
Artery of foramen rotundum
Emissary veins

Question 6

Foramen ovale

Answer 6

V3 (Mandibular branch)
Accessory meningeal artery
Emissary veins

Question 7

Forament spinosum

Answer 7

Meningeal (recurrent) branch of manidbular n. , lesser petrosal nerve (occasionally)
Middle meningeal artery and vein

Question 8

Foramen lacerum (Not a true foramen)

Answer 8

Nerve of pterygoid canal
Terminal branches of the pharyngeal artery
Emisary veins

Question 9

Vidian (pterygoid) canal

Answer 9

Vidian nerve
Vidian artery
Vidian vein

Question 10

Stylomastoid foramen

Answer 10

CN VII: Facial nerve

Stylomastoid artery

Question 11

Jugular foramen (parse nervosa)

Answer 11

CN IX: Glossopharyngeal nerve

Inferior petrosal sinus

Question 12

Jugular foramen (pars vascularis)

Answer 12

CN: X (Vagus nerve)
Jacobson nerve
Inferior petrosal sinus

Question 13

Hypoglossal canal

Answer 13

CN XII: Hypoglossal nerve