1
Q
frontal bone
A
o starts as two bones that fuse at frontal suture – suture usually disappears by age 8
2
Q
o squamous part
A
convex anterior surface (forehead)
3
Q
o superciliary arches
A
thickened ridges above the supra-orbital margins that support eyebrows
4
Q
o superior orbital margins
A
end of frontal part and superior limits of orbits
5
Q
• supra-orbital foramen or notch
A
center of supraorbital margin
• for supra-orbital artery and ophthalmic nerve
6
Q
o orbital part
A
roof of each orbit
7
Q
• lacrimal fossa
A
location of lacrimal gland
its on orbital part
8
Q
o frontal sinuses
A
air pockets that vary in size and time of development (usually beginning after age 6)
