The Ethmoid is is a light spongy bone cubicle in a space situated at the roof of the nose wedged in between the orbits it consists off to literal masses Labyrinth compose of the Ethmoid cells or sinuses which are close aspect where the communicate with the nasal cavity Ethmoid content also a perpendicular plate and a cerebriform plate the perpendicular plate from the upper part of the nasal septum the cribriform plate fits into a notch on the frontal bone above this plate the olfactory bulbs Lie and throw the perforation in the plate filaments of the olfactory nerves pass to the upper part of the nose
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