46 A MANUAL OF ANATOMY. 



dal and the internal carotid ; the posterior, by the ascending 

 pharyngeal, occipital, and vertebral ; the small meningeal 

 is supplied to the Gasserian ganglion and parts of dura 

 adjacent thereto ; it enters the skull through the foramen 

 ovale. 



Structures Passing Through the Sphenoidal Fissure. The 

 third, fourth, sixth, and ophthalmic branch of the fifth cranial 

 nerves, the sympathetic nerve, the orbital branch of the 

 middle meningeal artery and a recurrent branch from the 

 lachrymal, and the ophthalmic vein. 



Diag. 4. A DIAGRAM OF THE SPHENOIDAL FISSURE. (/. S. H.)i, Lachrymal 

 nerve. 2, Frontal nerve. 3, Fourth cranial nerve. 4, Superior division of third 

 cranial nerve. 5, Nasal nerve. 6, Inferior division of third cranial nerve. 7, Sixth 

 cranial nerve. 8, Ophthalmic vein. 



If great care is used the great petrosal nerve may be 

 found extending from the hiatus Fallopii (see a dry skull) 

 forward and inward, to disappear beneath the Gasserian 

 ganglion. See Facial Nerve. 



The Gasserian ganglion and beginning of the trunks 

 of the three divisions of the fifth cranial nerve. Figs. 10 

 and ii. 



