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Crista galli triangular crest on the top of the ethmoid—sticks through the cribriform plate
Perpendicular plate flattened lamina at the midline of the ethomoid – forms part of the nasal septum and articulates with the vomer
Cribriform plate best observed endocranially – it is a sort of sieve like surface which the crista galli perforates through
Orbital surface smooth surface on either side
Superior nasal concha outer plates – middle nasal concha are inside these
Middle nasal concha surround the perpendicular plate on either side—located close to the midline
Anterior ethmoidal foramen located to the sides of the crista galli – anterior are the small holes towards the anterior
Posterior ethmoidal foramen larger holes towards the posterior located next to the crista galli
Created by: AdamJFLA