Orbital Roof Of Frontal Bone

The orbital roof is formed by two bones.

Orbital roof of frontal bone.

Obviously rote memorization is pretty simple since there are only two bones. The frontal bone creates the smooth curvature of the forehead and protects the frontal lobe of the brain especially the ethmoid bone s horizontal plate known as the cribriform plate which allows the olfactory nerve bundles to pass through its perforated surface and bring the ceiling of the nasal cavity its sense of smell. The orbital surface presents medially by trochlear fovea and laterally by lacrimal fossa. Fractures of the roof of the orbit are typically associated with trauma to the forehead frontal bone are are often extensions of superior orbital rim fractures.

A c preoperative ct of the head showed a 5 3 7 4 cm sized well demarcated osteolytic frontal lesion with mottled ossified density which also infiltrated the orbital roof. The lesser wing of the sphenoid bone forms the posterior aspect of the orbital roof. The roof superior wall is formed primarily by the orbital plate frontal bone and also the lesser wing of sphenoid near the apex of the orbit. Isolated non displaced orbital roof fractures most commonly seen in children and rarely require surgical intervention.

The frontal bone is involved in the three regions of the head such are. This fissure allows the passage to. Superior orbital fissure lies between the lesser and the greater wing of sphenoid. There are many ways to remember these bones.

Preoperative computed tomography ct scan of the tumor in the frontal bone and orbital roof. The floor inferior wall is formed by the orbital surface of maxilla the orbital surface of zygomatic bone. Orbital process of the frontal bone anterior superior portion lesser wing of the sphenoid postero medial portion inferior wall.