Orbit Bones (7)

Question 1

Answer 1

Frontal Bone

Unpaired, irregular shaped, flat bone

Forms forehead

Question 2

Answer 2

Sphenoid

Bat shaped
Greater and lesser wings
Landmark: sella turcica

Question 3

Answer 3

Zygomatic bone
“Cheek bone”
Forms part of floor and lateral wall of orbit

Question 4

Answer 4

Maxilla (2)

Left & right maxillae unite to form “upper jaw”
-sockets for teeth
-maxillary air sinus on both sides

Question 5

Answer 5

Palatine (2)
Forms posterior portion of hard palate

Question 6

Answer 6

Lacrimal (2)

Smallest most delicate bone of skull
-Nasal surface contributes to middle nasal concha

Question 7

Answer 7

Ethmoid

In nasal cavity

Landmarks:
Crista galli, cribiform plate, perpendicular plate