Cranial Foramina

Question 1

What passes through the cribiform?

Answer 1

Olfactory nerve

Question 2

Optic Canal

Answer 2

Optic nerve and opthalmic artery

Question 3

Superior Orbital Fissure

Answer 3

1. Opthalmic nerve
2. Oculomotor
3. Trochlear
4. Abducens
5. Superior opthalmic vein

Question 4

Foramen Rotundum

Answer 4

Maxillary Nerve

Question 5

Foramen ovale

Answer 5

Mandibular Nerve

Question 6

Carotid canal

Answer 6

Internal carotid artery

Question 7

Internal Acoustic Meatus

Answer 7

1. Facial nerve
2. Vestibulocochlear nerve
3. Sigmoid sinus
4. Posterior meningeal artery

Question 8

Jugular Foramen

Answer 8

1. Glossopharyngeal
2. Vagus
3. Accessory

Question 9

Hypoglossal

Answer 9

Hypoglossal

Question 10

What does the opthalmic nerve branch into?

Answer 10

1. Lacrimal
2. Frontal
3. Nasociliary

Question 11

What does the facial nerve branch into?

Answer 11

1. temporal
2. zygomatic
3. buccal
4. mandibular
5. cervical

Question 12

What does the vagus branch into?

Answer 12

1. Vagus
2. Superior Laryngeal (to Internal/External Laryngeal)
3. Pharyngeal

Question 13

Foramen spinosum

Answer 13

1. Meningeal branch of mandibular nerve

2. Middle meningeal artery/vein

Question 14

Foramen lacerum

Answer 14

nothing important

Question 15

Foramen magnum

Answer 15

1. meninges
2. vertebral arteries
3. meningeal branch of vertebral arteries
4. medulla oblongota
5. spinal roots of accessory nerve