86 



THE SKULL AND THE BONES OF THE SKULL 



Lingula 



Lingula mandibulae 



Mental foramen 

 Foramen mentale\ 



Alveolar border 



Limbus alveolaris 



Masseteric tuberosity 



Tuberositas masseterica 



! Mental protuberance 



Protuberantia mentalis 



/ Mandibular or inferior dental canal 



\.' Canalis mandibulse 



FIG. 192. THE INFERIOR MAXILLARY BONE SEEN FROM THE LEFT SIDE. 



The mandibular or inferior dental canal has been exposed by the removal of a psrtion of the superficial plate of bone. 



Coronoid process 



Processus coronoideus Head of condyle 

 Alveolar process (buccal lamina) Capitulum 



Pars alveolaris (lamina buccalis)> 



Alveolar process (lingual lamina) 



Pars alveolans (lamina lingua^is) i .. 



i Alveolar process (buccal lamina) 

 Ramus-Ramus ! ars alveolaris (i am i na buccalis) 



'Ramus Ramus 



Lingula Lingula | [Body Corpus 



SEEN FROM THE INNER SIDE. 



Body Corpus ' 



SEEN FROM THE OUTER SIDE. 

 FIG. 193. THE LEFT HALF OF THE INFERIOR MAXILLARY BONE OF A HUMAN EMBRYO AT THE END OF THE 



FIFTH MONTH (MONTHS OF FOUR WEEKS EACH). 



Body-length, yj inches. 



Coronoid process 

 Processus coronoideus i 



Ramus Ramus 



-Alveolar process (buccal lamina.) 

 :Pars alveolaris (lamina buccalis) 



Mental foramen 

 Foramen mentale 



Plane of union with the right half 

 of the inferior maxillary bone 



Lingula I 

 Lingula 



Alveolar process (lingual lamina) 



Head of the condyle Pars alveolaris (lamina lingualis) Body _ Corpus 

 Capitulum 

 SEEN FROM THE OUTER S.DE. SEEN FROM THE INNER SIDE. 



, , THF LEFT HAI F OF THE INFERIOR MAXILLARY BONE OF A HUMAN EMBRYO IN THE MIDDLE OF THE 

 EIGHTH MONTH (MONTHS OF FOUR WEEKS EACH). 



Body-length, 15 inches. 



Mental fossa 

 Foveola mentalis 



Alveolus 01 so et 

 of canine tooth 



Mental ossicles 

 Ussicula mentalia 



Mental fossa 



Foveola mentalis 



Mental protuberance - 



Protuberantia mentalis 



Mental tubercle 



Tuberculum mentale 



FIG 195 MENTAL REGION OF A NEW-BORN HOY. THE 

 LATERAL HALVES OF THE INFERIOR MAXILLARY 

 BONE HAVE NOT YF.T UNITED ; BETWEEN THEM ARE 

 THE MENTAL OSSICLES. SEEN FROM BEFORE. 



fie 196 THE FULLY DEVELOPED MENTAL PROTU- 



'BFRANCE, IN A CHILD AGED Six AND A HALF 

 MONTHS. THE MENTAL OSSICLES HAVE UNITED 



WITH EACH OTHER AND WITH THE LATERAL HALVES 



OF THE INFERIOR MAXILLARY BONE. 



Mandibula-The inferior maxillary bone, lower jaw, or mandible. 



