Sphenoid Bone

Question 1

Greater wing

Answer 1

Projects laterally from sphenoid body forming part of the middle cranial fossa and orbits

BIGGER WING

Question 2

Pterygoid processes

Answer 2

Projects inferiorly from greater wing. Attachment site for chewing muscles

Posterior view
Legs pointing out

Question 3

Superior orbital fissures

Answer 3

Sits in the orbits providing passage of cranial nerves that control eye movements

Posterior view
Hole in the greater wing

Question 4

Sells turcica

Answer 4

Turkish saddle located superior surface of body holds the pituitary gland

Anterior view looks like body of a bat

Question 5

Lesser wing

Answer 5

Form part of the floor of anterior cranial fossa and part of orbit

SMALLER

Question 6

Optic canals

Answer 6

Opening on the base of lesser wing