BONES 



222 



BONES 



Anterior aspect of 

 pyramidal process, 

 or canine fossa. 2. 

 Incisive or myrti- 

 form fossa. 3. Infra- 

 orbital foramen. 4. 

 Summit of pyramid- 

 al process, or malar 

 process. 5. Posterior 

 aspect of pyramidal 



Erocess. 6. Inferior 

 order of pyramidal 

 process. 7. Posterior 

 border, or maxillary 

 tuberosity. 8. Nasal 



Erocess. 9. Posterior 

 order, grooved for 

 lachrymal duct. 10. 

 Anterior nasal spine. 

 11. Infra-orbi tal 

 groove. 12. Summit 

 of nasal process. 13. 

 Posterior and supe- 

 rior angle. 14. Su- 

 perior border. 15. 

 Anterior border of 

 16. Notch for anterior opening of nasal 



Superior Maxillary Bone, Exter 

 nal Aspect. 



Lachrymal Bone, 

 External Aspect. 



1, 1. Vertical crest, dividing external sur- 

 face into two parts. 2. Spine, in which 

 crest terminates. 3. Sulcus contribut- 

 ing to formation of lachrymal canal. 4. 

 Continuation of preceding, contributing 

 to formation of nasal canal. 5. Posterior 

 division of external surface, contribut- 

 ing to formation of orbit. 6, 6. Anterior 

 border. 7, 7. Posterior border. 8. Su- 



Eerior extremity. 9 Portion of inferior 

 order that articulates with lachrymal 

 process of inferior turbinated bone. 10. 

 Portion that articulates with orbital plate 

 of superior maxillary bone. 



Malar Bone, External Aspect. 

 . Orifice for malar nerve. 2, 2. Superior or orbital border. 

 3, 3. Inferior or zygomatic border. 4, 4. Posterior or tem- 

 poral border. 5, 5. Anterior or maxillary border. 6. Supe- 

 rior angle. 7. Inferior angle. 8. Anterior angle. 9. Posterior 

 angle. 



. External surface of orbital 



Erocess. 2. Superior or or- 

 ital surface. 3. Anterior or 

 maxillary surface. 4. Notch 

 forming greater part of 

 spheno-palatine foramen. 5. 

 Sphenoidal process. 6. 

 Groove entering into forma- 

 tion of posterior palatine 

 canal. 7. Surface that enters 

 into the formation of base of 

 maxillary sinus. 8. External 

 surface of pterygoid process. 

 9. Groove to receive posterior 

 border of internal plate of 

 pterygoid process. 



Inferior Turbinated Bone, Internal 

 or Convex Aspect. 



1, 1. Anteroposteri- 

 or ridge, dividing 

 the internal sur- 

 face into two al- 

 most equal parts. 

 2, 2. Inferior bor- 

 der. 3, 3. Anter- 

 ior portion of 

 superior border, 

 articulating with 

 nasal process of 

 superior maxil- 

 lary bone. 4. 

 Lachrymal pro- 

 cess. 5. Ethmoidal process. 6. Portion of superior border 

 that articulates with palate bone. 7. Anterior extremity. 

 8. Posterior extremity. 



1. Body of bone 

 and external 

 oblique line. 2. 

 Ramus. 3. Sym- 

 physis. 4. In- 

 cisive fossa. 5. 

 Mental fora- 

 men. 6. De- 

 pression in in- 

 ferior border 

 for attachment 

 of digastric 

 muscle. 7 . 

 Depression for 

 passage of 

 facial artery. 



8. Angle of jaw. 



9. Posterior ex- 

 tremity of in- 

 ternal oblique 

 line. 10. Cor- 

 onoid process. 



11. Condyle. 12. Sigmoid notch. 13. Origin of inferior 

 dental canal. 14. Mylo-hyoid groove. 15. Alveolar border. 

 a. Incisors, b. Bicuspids, c. Canines, m. Molars. 



Maxillary Bone, External 

 Aspect. 



Palate Bone, External 

 Aspect. 



Lateral Aspect of Skull. 



. Frontal bone. 2. Parietal bone. 3. Occipital bone. 4. Tem- 

 poral bone. 5. Greater wing of sphenoid bone. 6. Lamb- 

 doid suture. 7. Occipitoparietal suture. 8. Squamo-parietal 

 suture 9. Masto-parietal suture. 10. Spheno-parietal su- 

 ture. 11. Spheno-temporal suture. 12. Spheno-frontal suture. 

 13,13. Temporal ridge. 14. Malar bone. 15. Fronto-malar 

 suture. 16. Malo-temporal suture. 17. Malo-maxillary su- 

 ture. 18. Superior maxillary bone. 19 Infraorbital foramen. 

 20. Nasalbone. 21. Naso-maxillary suture. 22. Naso-frontal 

 suture. 23. Lachrymal groove, fit the bottom of which may 

 be seen the suture' between the lachrymal and the superior 

 maxillarv bones. 24. Nasal eminence. 25. Inferior maxil- 

 lary bone. 26. Mental foramen. 27. Angle of lower jaw. 

 28/Coronoid process. 29. Condyle. 30. Neck of condyle. 

 31. External auditory canal. 32. Styloid process. 33. Mas- 

 toid process. 34. Masto-occipital suture. 



