Day 13 (pg 195)

Question 1

What is the appearance of suture intersections just above the zygomatic arch called?

Answer 1

the pterion

Question 2

What bones form the pterion?

Answer 2

parietal, temporal, sphenoid and frontal bones

Question 3

What points on the skull are used to measure the skull size?

Answer 3

the nasion, vertex and inion

Question 4

What is the posterior boundary of the anterior cranial fossa?

Answer 4

a line drawn along the lesser wing of the sphenoid, anterior clinoid process, & sphenoidal jugum

Question 5

What is the posterior boundary of the middle cranial fossa?

Answer 5

superior border of petrous part of temporal bone, posterior clinoid processes & dorsum sella of sphenoid bone

Question 6

What are the parts of the sella turcica?

Answer 6

anterior clinoid processes, sphenoidal jugum, posterior clinoid processes, dorsum sella, & hypophysial fossa of sphenoid bone

Question 7

What are the contents of the superior orbital fissure?

Answer 7

the ophthalmic veins, the oculomotor nerve, the trochlear nerve, the ophthalmic division of the trigeminal nerve, and the abducent nerve

Question 8

What cranial nerves are located within the superior orbital fissure?

Answer 8

cranial nerves III (oculomotor), IV (trochlear), Va (opthalmic division of the trigeminal), and VI (abducent)

Question 9

What is unique about the opthalmic artery and veins?

Answer 9

unlike other artery-vein combinations they will not share the same opening
the opthalmic artery is in the optic canal, opthalmic veins are in the superior orbital fissure

Question 10

What are the contents of the foramen ovale?

Answer 10

The mandibular division of the trigeminal nerve (Vc) and the lesser petrosal branch of the glossopharyngeal nerve

Question 11

What are the contents of the foramen spinosum?

Answer 11

the nervous spinosus from the mandibular division of the trigeminal nerve and the middle meningeal artery