sphenoidal

fi ure, foramen lacerum anterius; a cleft between the greater and the le er wing of the sphenoid establishing a channel of communication between the middle cranial fo a and the orbit, through which pa the third, fourth, ophthalmic division of the fifth, and the sixth cranial nerves, and the ophthalmic veins. the eyelids. a fi ure on the mesial surface of each cerebral hemisphere, extending upward from the calcarine fi ure from just behind the splenium of the corpus callosum; it marks the boundary between the cuneus and pre cuneus, or between the occipital and the parietal lobes. fi ure, a temporary infolding in the wall of the cerebral hemisphere in the human fetus, corresponding to a permanent fi ure in the adult ape, the "Affenspalte" or ape-fi ure. pa ing backward from the foramen lacerum between the outer side of the bas i occipital and the posterior and externally the line of fusion of the petrous and squamous portions of the temporal bone. Glaserian fi ure, a fi ure between the tympanic and squamous portions of the temporal bone; it transmits the chorda tympani nerve (through the canal of Huguier). between the two pterygoid plates, lamina lateral is and pterygoid proce or tuberosity of the palate bone. the under surface of the great wing of the sphenoid and the petrous portion of the temporal bone. cerebellum, a depre ion or cleft between the cerebellar peduncles on either side and the anterior portion, or nodule, of the vermis. cerebrum, a cleft intervening between the corpus callosum and fornix above and the diencephalon below, through which pa es a double lamina of pia mater, the tela chorioidea which roofs over the third ventricle. auricular fi ure, a fi ure separating the tympanic posteriorly from the mastoid and squamous portions of the temporal bone; it transmits the auricular branch of the vagus nerve.