THE FACE 



355 



FIG. 274. 



Vertex. 

 Parietal. 



frontal. 



Coronal Suture. 



Nasal. 



Postorbital Process. 



Sagittal Suture. 



Spfieno-parietal Suture. 



Temporal. 



Postorbital Process. 



Alisphenoid. 



Orbital plate of Frontal. 



Malar. 

 Lachrymal. 



Infraorbital Foramen. 



Maxillary. 



Third Premolar. 



Mesethmoid. 



Second Premolar. 



Zygoma. 



Postglenoid Process. 

 Auditory Bulla. 



Ethmo-turbinal. 

 Premaxillo-maxillary Suture. 



SKULL, FRONT VIEW. 



The inferior surface (Fig. 276) is slightly convex. Its long axis 

 is oblique, the anterior and posterior margins are curved ; the former 

 is arcuate and the latter is emarginate. The external border is straight 

 and directed backward and inward. The internal border is straight 

 and longitudinal. Its anterior part is called the alveolar border, and 

 its inner half contains the three alveoli for the incisor teeth. These 

 alveoli are oval openings, the long diameters of which are directed 



FIG. 275. 



With Nasal. 



Ascending Plate. 



Incisive Fos?a 

 Incisors, j 



With Palatine Plate of 

 Maxillary. 



Palatine Process. 

 LEFT PREMAXILLARY BONE, OUTER SURFACE, SIDE VIEW. 



