cornct04
ps
planum sphenoidale
lsw
lesser sphenoidal wing
s
sphenoid bone
g
nasal septum
t
turbinate
gsw
greater sphenoidal wing
e
ethmoid sinus
smf
sphenomaxillary fissure
ms
maxillary sinus
k
zygomatic arch
map
maxillary alveolar process