ABAnteriorPosteriorCrista galliLeft ethmoidal labyrinthOrbital plateUncinate processMiddle conchaPerpendicular plateChannel for frontonasal ductopening into frontal sinusRight ethmoidal labyrinthCribriform plateSuperior conchaEthmoidal bullaMiddle conchaUncinate processInfundibulumCranial cavityCribriform platePerpendicular plateNasal cavitiesOrbitOrbitMiddle ethmoidal cellsSuperior conchaEthmoidal bullaMiddle conchaUncinate processInferior concha boneVomerOral cavityPalatine process of maxillary boneMaxillarysinusMaxillarysinusOrbital plate ofethmoidal labyrinthOrbital plate offrontal boneCrista galli