The document describes the anatomy of the middle cranial fossa. It is composed of bones including the sphenoid bone and temporal bone. The middle cranial fossa contains the temporal lobes of the brain, pituitary gland, cranial nerves, internal carotid artery, and venous sinuses. It provides details on the structures located within the middle cranial fossa such as the trigeminal nerve, arcuate eminence, and temporal basal lobe. Blood supply and drainage pathways are also outlined.