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. 



AZYOOS UVULxE. 



Hamular process. 



-Sphenoid process of palate. 

 Ptery go-palatine canal.. 



Pharyngeal spine for 



SUPERIOR CONSTRICTOR. 



^Situation of Euslachian tube and 

 canal for TENSOR TYMPANI. 



TENSOR PALATI. 



Canal for Jacobson's nerve. 

 Aquxductus cochleae. 

 Foramen lacerum posterius. 

 Canal for Arnold's nerve. 

 A uricular fissure. 



sat 



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 



