Frontal sinus outlined in orange.
Internal cranial floor view.
Inside the skull the floor of the cranial cavity is subdivided into three cranial fossae spaces which increase in depth from anterior to posterior see figure 4 figure 6b and figure 9.
Another feature is the internal occipital protuberance which is a small projection of the internal surface of the occipital bone in the midline.
This bone has a very small role in the floor of the cranial vault.
If you were able to separate the cranial bones from the facial bones and first cervical vertebra and pull it away from the brain you would be able to view the internal surfaces of the cranial vault and skull base.
Or temporal squama pars squamosa.
Inside the skull the floor of the cranial cavity is subdivided into three cranial fossae spaces which increase in depth from anterior to posterior see figure 4 figure 6b and figure 9.
The underside of the top of the skull is very smooth in comparison with the base of the skull.
This is an online quiz called internal view of cranial floor.
Since the brain occupies these areas the shape of each conforms to the shape of the brain regions that it contains.
Skull cranial floor bone markings part 2 temporal bone.
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 base of skull also known as the cranial base or the cranial floor is the most inferior area of the skull.
It is composed of the endocranium and the lower parts of the skull roof.