slidesharetrick

In the center of the ethmoid bone between the ethmoidal labyrinth is the perpendicular plate which forms the upper part of the bony nasal septum. The olfactory bulbs of the olfactory nerve lie on either side of the crista galli on top of the cribriform plate. Ethmoid Bone Anatomy Borders And Dev…

The greater wing or ali sphenoid of the sphenoid bone is a process which projects from either side of the lower part of the sphenoid body at a common junction with the pterygoid process. Transmits the mandibular division of the trigeminal nerve accessory meningeal artery and occasionally the lesse…

The lesser wing of the sphenoid bone or orbito sphenoid is a sharp pointed triangular plate arising laterally from the upper anterior portion of the sphenoid body. The lesser wings are flattened triangular in shape and located above and anterior to the greater wings. Https Encrypted Tbn0 Gstatic…