Foramina contents

Question 1

What passes through the optic canal?

Answer 1

Optic nerve
Ophthalmic artery

Question 2

What 5 things passes through the superior orbital fissure?

Answer 2

Oculomotor nerve (CN 3)
Trochlear nerve (CN 4)
Abducens nerve (CN 6)
Superior ophthalmic vein
Ophthalmic nerve (CN v1)

Question 3

The 1 nerve that passes through the foramen rotundum?

Answer 3

Maxiliary nerve (CN v2)

Question 4

What passes through the foramen ovale?

Answer 4

Mandibular nerve (CN v3)
Accessory meningeal artery
Lesser petrosal nerve

Question 5

What passes through foramen spinosum?

Answer 5

Middle meningeal artery + vein
Meningeal branch of the mandibular nerve

Question 6

What passes through the internal accoustic meatus?

Answer 6

Facial nerve (CN 7)
Vestibulocochlear nerve (CN 8)
Labryinthine artery

Question 7

What passes through the jugular foramen?

Answer 7

Inferior petrosal sinus
Glossopharyngeal nerve (CN 9)
Vagus nerve (CN 10)
Spinal accessory nerve (CN 11)
Sigmoid sinus
Posterior meningeal artery

Question 8

What passes through the carotid canal?

Answer 8

Internal carotid artery
Nerve plexus

Question 8

What passes through the hypoglossal canal?

Answer 8

Hypoglossal nerve (CN 12)

Question 9

What passes through the foramen magnum?

Answer 9

Medulla oblongata
Vertebral arteries
Spinal roots of accessory nerves

Question 10

What structures pass through the cavernous sinus before passing through their allocated foramina?

Answer 10

Mnemonic: O TOM CAT

O: Oculomotor nerve
T: Trochlear nerve
O: Ophthalmic branch of CN 5
M: Maxillary branch of CN 5
C: Carotid artery (internal)
A: Abducens nerve
T: Trochlear nerve