Skull cranial floor bone markings part 2 temporal bone.
Cranial floor unlabeled.
This bone articulates with the sphenoid anteriorly and the occipital bone posteriorly.
The various portions contribute to the floor of the middle cranial fossa and a part of the posterior cranial fossa and has an important relationship.
Or temporal squama pars squamosa.
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The floor of the middle cranial fossa and part of the posterior cranial fossa is formed by the temporal bone.
The floor of the cranial cavity increases in depth from front to back and is divided into three cranial fossae.
Since the brain occupies these areas the shape of each conforms to the shape of the brain regions that it contains.
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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 sphenoid bone is a butterfly shaped cranial bone that is located in the middle of the skull between the frontal and temporal bones.
The anterior cranial fossa is located between the frontal bone and lesser wing of the sphenoid bone.