Skull and Fascia

Question 1

structure of optic foramen?

Answer 1

Oval aperture at roof apex. Orbital end of optic canal linking orbit and middle cranial fossa

Question 2

transmission of optic foramen?

Answer 2

transmits optic nerve sheathed in meninges, ophthalmic artery and its sympathetic nerves

Question 3

structure/position of optic canal

Answer 3

lined with dura mater

Question 4

transmission of optic canal?

Answer 4

transmits optic nerve and ophthalmic artery

Question 5

structure/position of superior orbital fissure

Answer 5

lies between greater and lesser wings of sphenoid. opens into middle cranial fossa

Question 6

structure/position of inferior orbital fissure

Answer 6

lies between greater wing of sphenoid and maxilla

Question 7

structure/position of ethmoidal foramen

Answer 7

lie in frontal bone where roof meets medial wall

Question 8

two parts of ethmoidal foramen?

Answer 8

anterior and posterior ethmoidal foramen

Question 9

position of anterior ethmoidal foramen?

Answer 9

opens into anterior cranial fossa

Question 10

position of posterior ethmoidal foramen?

Answer 10

transverses ethmoid bone

Question 11

position of zygomaticofacial foramen?

Answer 11

lies in lateral wall of orbit

Question 12

position of zygomaticotemporal foramen?

Answer 12

lies above zygomaticofacial foramen