Anterior View of the Skull (Norma frontalis), showing the bones 

 and the muscular attachments. 



1. M. orbicularis oculi, upper frontal 



attachment (corrugator super- 

 cilii). 



2. M. orbicularis oculi, lower 



frontal attachment. 



3. M. orbicularis oculi (tensor 



tarsi), lacrimal attachment. 



4. M. orbicularis oculi, maxillary 



attachment. 



5. M. quadratus labii superioris, 



angular part. 



6. M. quadratus labii superioris, 



infra-orbital part. 



7. M. quadratus labii superioris, 



zygomatic part. 



8. M. zygomaticus, on zygomatic 



bone. 



9. M. caninus, on maxilla. 



10. M. nasalis, pars transversa. 



11. M. incisivus labii superioris. 

 T2. M. nasalis, pars alaris. 



13. M. depressor septi. 



14. Symphysis of mandible. 



15. M. mentalis, on body of mandible. 



16. M. quadratus labii inferioris, on 



body of mandible. 



17. M. platysma, on body of mandible. 



1 8. M. triangularis, on body of 



mandible. 



19. M. buccinator, on alveolar pro- 



cesses of maxilla and mandible. 



20. M. masseter, insertion, on ramies 



of mandible. 



21. M. sterno-mastoid, .on mastoid 



process of temporal bone. 



22. M. temporalis, insertion, on ramus 



of mandible. 



23. Maxilla. 



24. M. rnasseter, origin, on zygomatic 



and temporal bones. 



25. Zygomatic bone. 



26. Lacrimal bone. 



27. Squamous part of temporal bone, 



and origin of M. temporalis. 



28. Great wing of sphenoid bone, 



and origin ofM. temporalis. 



29. Parietal bone, and origin of 



M. temporalis. 



30. Temporal line, and iipper limit 



of origin of M. temporalis on 

 frontal and parietal bones. 



31. M. procerus, on nasal bone. 



32. Nasal bone. 



33. Frontal bone. 



