Osteology

Question 1

What goes through the Stylomastoid foramen?

Answer 1

Facial nerve (VII)

Question 2

What goes through the Hypoglossal canal?

Answer 2

Hypoglossal nerve (XII)

Question 3

What structures go through the Foramen magnum?

Answer 3

• Medulla
• meninges
• spinal roots of accessory nerves (CN XI)
• vertebral arteries
• Meningeal branches of vertebral arteries

Question 4

What goes through the supraorbital notch/foramen?

Answer 4

supraorbital nerve and artery

Question 5

What goes through foramen rotundum?

Answer 5

maxillary nerve (CN V2 of trigeminal nerve)

Question 6

What goes through foramen ovale?

Answer 6

• mandibular nerve (CN V3 of trigeminal nerve)
• accessory meningeal artery
• lesser petrosal nerve

Question 7

What goes through foramen spinosum?

Answer 7

• meningeal branch of mandibular nerve

- middle meningeal artery and vein

Question 8

What goes through the ethmoid foramen?

Answer 8

anterior and posterior ethmoidal nerves and arteries

Question 9

What goes through the superior orbital fissure?

Answer 9

• ophthalmic vein
• oculomotor nerve (CN III)
• trochlear nerve (CN IV)
• abducent nerve (CN VI)
• ophthalmic nerve (CN V1 of trigeminal nerve)

Question 10

What runs through the optic canal?

Answer 10

• ophthalmic artery

- optic nerve (CN II)

Question 11

What runs through the olfactory foramina of cribiform plate?

Answer 11

Olfactory nerves (CN I)

Question 12

What structures pass OVER the foramen lacerum?

**NOT THROUGH

Answer 12

• internal carotid artery

- internal carotid plexus

Question 13

What main structure would you see in the pterygomaxillary fissure?

Zygomatic arch is cut

Answer 13

Maxillary artery

Question 14

What goes through the inferior orbital fissure?

Answer 14

infraorbital nerve and artery

Question 15

What runs through the carotid canal?

Answer 15

• internal carotid artery

- carotid plexus

Question 16

What runs through the internal acoustic meatus?

Answer 16

• facial nerve (CN VII)
• vestibulocochlear nerve (CN VIII)
• labyrinthine/acoustic artery

Question 17

What runs through the Petrotympanic fissure?

Answer 17

Chorda tympani nerve

Question 18

What runs through the jugular foramen?

Answer 18

• Internal jugular vein
• Posterior Meningeal Artery
• glossopharyngeal nerve (CN IX)
• vagus nerve (CN X)
• Accessory nerve (CN XI)

Question 19

What runs through the superior alveolar foramen?

Answer 19

posterior superior alveolar nerve and artery

Question 20

1) What runs through the greater palatine foramen?

2) What runs through the lesser palatine foramen?

Answer 20

1) greater palatine nerve and artery

2) lesser palatine nerve and artery

Question 21

What runs through the incisive canal?

Answer 21

• nasopalatine nerve
• greater palatine nerve
• septal artery
• greater palatine artery

Question 22

What runs through the sphenopalatine foramen?

Answer 22

• sphenopalatine artery
• nasopalatine nerve
• lateral nasal nerve

Question 23

1) Greater Petrosal n has what type of autonomic fibers and from what nerve?
2) On its way to synapse at?

Answer 23

1) PreG Para (VII)

2) Pterygopalatine Ganglion

Question 24

Deep Petrosal n has what type of autonomic fibers and from what nerve?

Answer 24

PostG Symp (T1)

Question 25

1) Lesser Petrosal n has what type of autonomic fibers and from what nerve?
2) On its way to synapse at?

Answer 25

1) PreG Para (IX)

2) Otic Ganglion