THE BASE OF THE SKULL. 



107 



Anterior palatine fossa. 



Transmits left naso-palatine nerve. 

 Transmits anterior palatine vessel. 

 Transmits right naso-palatine nerve. 



Accessory palatine foramina. 

 Posterior nasal spine. 



AZYQOS UVUL/E. 



Hamular process. 



Sphenoid process of palate. 

 Ptery go-palatine canal. 



-TENSOR TYMPANI. 



Pharyngeal spine for 



SUPERIOR CONSTRICTOR. 



.Situation of Eustachian tube and 

 canal for TENSOR TYMPANI. 



TENSOR PALATI. 



Canal for Jacobson's nerve. 

 Aquxductus cochlese. 

 'Foramen lacerum posterius. 

 Canal for Arnold's nerve. 

 Auricular fissure. 



FIG. 72. Base of the skull. External surface. 



It is bounded in front by the incisor teeth in the upper jaw; behind by the 

 superior curved lines of the occipital bone; and laterally by the alveolar arch, the 

 lower border of the malar bone, the zygoma, and an imaginary line extending 



