Unit 4 - Head and Neck: Orbit (Ex. III) Flashcards
1
Q
floor
A
maxilla
2
Q
M wall
A
ethmoid bone
lacrimal bones
nasal bones
sphenoid bone
3
Q
L wall
A
zygomatic bone
sphenoid bone
4
Q
What are the landmarks of the orbits?
A
they lie: - on either side of S part of nasal cavity - above maxillary sinuses - below A cranial fossae apex points P base opens into face
5
Q
Why are there openings in the orbit?
A
allow neurovasculature structures to pass between the orbit and middle cranial fossa, nasal cavity, pterygopalatine fossa, and face
6
Q
roof
A
frontal bone