82 



THE SKULL AND THE BONES OF THE SKULL 



Premaxilla Os incisivum _____ 

 Anterior palatine fossa (into which open the 

 incisor foramina, or foramina of Stenson) ---- 

 Foramen incisivum 



Incisor fissure, also known as the anterior pala- 

 tine or premaxillary suture Sutura incisiva 

 Palatine process 

 Processus palatinus " 



'Palatine 



"Spinae palatinae' 



'Palatine grooves^ 



*Sulci palatini 



Alveoli, or sockets of the teeth 

 Alveoli dentales 



Iveoli, or sockets of the teeth 

 Alveoli dentales 



..Interalveolar septa (juga alveolaria) 



' Septa interalveolaria 



Alveolar margin 

 >- : Limbus alveolaris 



, Interalveolar septa (Juga alveolaria) 



Septa interalveolaria 



-Malar process 



Processus zygomaticus 



Tuberosity 



Tuber maxillare 



FIG. 175. THE LEFT SUPERIOR MAXILLARY BONE. SEEN FROM BELOW. 



Lachrymal groove 



Sulcus lacrimalis 



Maxillary sinus, or % 

 antrum of Highmore 

 Sinus maxillaris 



Palatine process 

 Processus palatinus 



xPremaxillary suture 



f Sutura incisiva 



\Premaxilla 

 'Os incisivum 



Premaxilla 

 Os incisivum 



Palatine process 

 Processus palatinus 



.Premaxillary suture 

 /Sutura incisiva 



Alveolar process 

 Processus alveolaris 



FIG. 177. SEEN FROM BELOW. 



FIG. 176. SEEN FROM THE INNER SIDE. 



THE LEFT SUPERIOR MAXILLARY BONE OF A FCETUS AT THE END OF THE SIXTH 

 MONTH (MONTHS OF FOUR WEEKS EACH). 



Body-length, 12 inches. 



Lachrymal groove 



Sulcus lacrimalis 



Mazillary sinus, or ., 



antrum of Highmore 



Sinus maxillaris 



Nasal surface 

 Facies nasalis 



Palatine process 



Processus palatinus 



Premaxillary suture 

 Sutura incisiva 



Premaxilla 

 Os incisivum 



FIG. 178. SEEN FROM THE INNER SIDE. 



Premaxilla 

 Os incisivum 



Palatine process 

 Processus palatinus' 



, Premaxillary suture 

 ' Sutura incisiva 



~3T~-=- Alveolar border 

 Limbus 

 alveolaris 



FIG. 179. SEEN FROM BELOW. 



THE LEFT SUPERIOR MAXILLARY BONE OF A BOY BORN AT FULL TERM. 



Body-length, 21 inches. 



Maxilla Superior maxillary bone. 



