THE SKULL AS A WHOLE 



129 



nasal spine, for the attachment of the Azygos uvulae muscle. Behind and above 

 the hard palate is the posterior aperture of the nares, divided into two parts by the 





Anterior palatine fossa. 



Transmits left nasopalatine nerve. 

 Transmits anterior palatine vessel. 

 Transmits right nasopalatine nerve, 



Accessory palatine foramina. 

 Posterior nasal spine. \ 



AZYQOS UVUL/E. 



Hamular process. 



Sphenoid process of palate* 

 Pterygopalatine canal. 



TENSOR TYMPANI. 



Pharyngeal spine for 



SUPERIOR CONSTRICTOR. 



.Situation of Eustachian tube and 

 canal for TENSOR TYMPANI. 



TENSOR PALATI. 



Canal for Jacobson's nerve. 

 Aquaeductus cochleae. 

 Foramen lacerum posteriut. 

 Canal for Arnold's nerve. 

 Auricular fissure. 



FIG. 97. Base of the skull. External surface. 



