Head- foramen

Question 1

Answer 1

A orbital fissure
B rostral alar foramen leading to alar canal, round foramen inside the skull

Question 2

What goes through the rostral alar canal?

Answer 2

Maxillary branch of trigeminal (V)

Question 3

what nerves go through the orbital fissure?

Answer 3

III, IV, opht V, sympathetic innervation to the eye

Question 4

what goes through the round foramen?

Answer 4

Maxillary branch of trigeminal (V)

Question 5

What goes through the oval foramen?

Answer 5

Mandibular branch of CN V

Question 6

How does the facial nerve exit the skull?

Answer 6

through the internal acoustic meatus, in to the facial canal and out the stylomastoid foramen

Question 7

what nerves pass through the facial canal?

Answer 7

Facial and vestibulocochlear (VII, VIII)

Question 8

What structures pass through the jugular foramen?

Answer 8

Jugular vein, CN IX, X, XI, sympathetic innervation to the eye in tympano- occipital fissure

Question 9

Where does the hypoglossal nerve (CN XII) exit the skull?

Answer 9

Hypoglossal canal, occipital bone

Question 10

Answer 10

hypoglossal canal

Question 11

Answer 11

A dorsum sella B oval foramen

Question 12

Answer 12

alar canal

Question 13

Answer 13

orbital fissure

Question 14

Answer 14

jugular foramen

Question 15

Answer 15

trigeminal canal

Question 16

Answer 16

A round foramen, alar canal

Question 17

Answer 17

optic nerve

Question 18

Answer 18

Trigeminal canal in the petrous temporal bone

Question 19

Answer 19

Oval foramen; mandibular nerve, middle meningeal artery

Question 20

Answer 20

Internal acoustic meatus, facial canal

Question 21

What is the name of the hole? Where does it exit the skull?

Answer 21

Jugular foramen, Tympano-occipital fissure

Question 22

Answer 22

osseous tentorium cerebella, hypoglossal canal

Question 23

Answer 23

jugular foramen- Tympano-occipital fissure; CN X, XI (internal & external branches), internal carotid artery, sympathetic fibers to the head

Question 24

Answer 24

Malleus, incus, stapes. Tensor tympani m. attaches to the malleus (inn. mandibular n.). Also, the stapedius m. (the smallest skeletal muscle in the body!) attaches to the stapes (the smallest bone in the body), inn. VII.

Question 25

what is the order, from rostral to caudal, of the foramen of the head?

Answer 25

cribriform plate, optic canal, orbital fissure, round foramen, oval foramen, stylomastoid foramen and jugular foramen similar, hypoglossal canal, foramen, magnum

Question 26

which bone is the orbital fissure in?

Answer 26

In the suture between the wings of the presphenoid and basisphenoid

Question 27

which bone is the optic canal in?

Answer 27

presphenoid

Question 28

which bone is the round foramen and rostral alar canal in?

Answer 28

basisphenoid

Question 29

which bone is the oval foramen in?

Answer 29

basisphenoid

Question 30

which bone is the stylomastoid foramen in?

Answer 30

temporal