257
HUMAN SKULL
PLATE FIFTY
Sphenoidal region, f
oor oF the cranial cavity.
Sphenoid
bone
Frontal
sinus
Frontal bone
Crista galli
Cribriform
plate
Ethmoid
bone
Optic canal
Superior
orbital
fissure
Sella turcica
Foramen rotundum
Foramen ovale
Foramen spinosum
Foramen lacerum
Jugular foramen
Foramen magnum
PLATE FORTY-NINE
┬▒rontal region, transverse section.
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