99. Orientation of Labyrinths in Skull 100. Pharnygotympanic (Auditory, Eustachian) Tube 101. Meninges and Diploic Veins 102. Meningeal Arteries 103. Meninges and Superficial Cerebral Veins 104. Dural Venous Sinuses 105. Dural Venous Sinuses (continued) 110. Circulation of Cerebrospinal Fluid 126. Glossopharyngeal Nerve (IX): Schema