The roof of the olfactory region is formed by?
ANasal bone
BSphenoid
CTemporal bone
DCribriform plate of ethmoid
Foramen spinosum transmits which of the following structures?
ALesser petrosal nerve
BMiddle meningeal artery
CMandibular nerve
DMaxillary nerve
All of the following structures lie outside the cavernous sinus except:
ASphenoidal air sinus
BMaxillary nerve
CInternal carotid artery
DForamen lacerum
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