Frontal skull bone diagram. These are the vertically oriented squamous part and the horizontally oriented orbital part making up the bony part of the forehead part of the bony orbital cavity holding the eye and part of the bony part of the nose respectively. Neurocranium brain box or brain case cranial vault calvaria 11 parietal bone os parietale 12 frontal bone os. The frontal bone is a bone of the skull found in the forehead region. This irregular space may be divided at the midline into bilateral spaces or these may be fused into a single sinus space.
The frontal bone creates the smooth curvature of the forehead and protects the frontal lobe of the brain especially the ethmoid bones 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 sphenoid bone is a butterfly shaped cranial bone that is located in the middle of the skull between the frontal and temporal bones. The frontal bone is a bowl shaped bone in the frontal forehead region of. Skull cranial floor bone markings part 2 temporal bone.
The eight major bones of the cranium are connected by cranial sutures which are fibrous bands of tissue that resemble seams. This is an anatomy video tutorial describing bones of the skull. It gives shape to the skull and supports several muscles of the head. Or temporal squama pars squamosa.
There are eight major bones and eight auxiliary bones of the cranium. The largest sinus is the maxillary sinus. It is one of eight bones that form the cranium or brain case. The frontal bone is involved in the three regions of the head such are.
The frontal sinus is the most anterior of the paranasal sinuses. The paranasal sinuses are named for the skull bone that each occupies.