Foramina And What Passes Through It

Question 1

What exits at the cibriform plate of ethmoid

Answer 1

Olfactory nerves fibres /tract

Question 2

What exits at the optic canal?

Answer 2

Optic nerve and ophthalmic artery

Question 3

Where does the optic nerve (CN2) exit?

Answer 3

Optic canal

Question 4

What exits at the superior orbital fissure?

Answer 4

Oculomotor (III) , Trochlear (IV) , Opthalamic division of Trigemal nerve, opthalamic vein, abduccence nerve (VI)

Question 5

Where does the Oculomotor (III) exit?

Answer 5

Superior orbital fissure

Question 6

Where does the trochlear nerve (IV) exit?

Answer 6

Superior orbital fissure

Question 7

What exits at the foremen rotundum.

Answer 7

Maxillary division of trigeminal nerve (V)

Question 8

Where do the each division of the trigeminal nerve exit?

Answer 8

Opthalamic division - superior orbital fissure
Maxillary division - foremen rotundum
Mandibular division - foramen ovale

Question 9

Where does abducens nerve (VI) exit?

Answer 9

Superior orbital fissure

Question 10

What exits at the foramen ovale?

Answer 10

Mandibular division of trigemal nerve (V3)

Question 11

What exits at the foramen lacerum?

Answer 11

Internal carotid artery

Question 12

Where does the internal carotid artery exit?

Answer 12

Foramen lacerum and carotid canal

Question 13

What exits at the foramen spinosum

Answer 13

Middle meníngeas artery and vein

Question 14

Where does the middle meníngeas artery and vein exit?

Answer 14

Foramen spinosum

Question 15

What exits at internal acoustic meatus ?

Answer 15

Facial ( VII), vestibulocochlear/ Auditory nerve (VIII) labyrinthine artery

Question 16

Where does the facial nerve (VII) exit?

Answer 16

Internal acoustic meatus

Question 17

Where does the vestibulocochlear/ auditory nerve (VIII) exit

Answer 17

Internal acoustic meatus

Question 18

What exits at the jugular foramen?

Answer 18

Glossopharyngeal (IX), Vagus (X) Accesory (XI), Sigmoid sinus

Question 19

Where does the glossopharyngeal nerve exit?

Answer 19

Jugular foramen

Question 20

Where does the Vagus nerve (X) exit?

Answer 20

Jugular foramen

Question 21

What exits at the hypoglissal canal

Answer 21

Hypoglossal nerve (XII)

Question 22

Where does the Hypoglossal nerve (XII) exit?

Answer 22

Hypoglossal canal

Question 23

What exits at the foramen magnum?

Answer 23

Vertebral arteries, spinal roots of accessory nerve, medulla of brain