What are the middle cranial fossae and where are they?

A) the middle cranial fossae (right and left) are depressions in the floor of the skull base. They are bound anteriorly by the sphenoid ridge and posteriorly by the Petrous ridge?

B) the middle cranial fossae (right and left) are depression in the floor of the school they are bound anteriorly by the frontal bone and posteriorly by the occipital bone.

C) The middle cranial fossae (right and left) are depressions in the floor of the skull base. They are bound anteriorly by the sphenoid ridge and posterior by the parietal ridge

D) The middle cranial fossae (right and left) are depressions in the floor of the skull base. They are bound anteriorly by the petrous ridge and posteriorly by the sphenoid ridge.

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