96 



THE SKULL AND THE BONES OF THE SKULL 



Internal auditory meatus 



Meatus acusticus interims' 



Carotid canal 



Canalis caroticus 



Foramen ovale 

 Foramen ovale 



"Sphenoidal canaliculus 1 

 "Canaliculus sphenoidalis 



Sphenomaxillary fissure f 

 Fissura orbitalis inferior h 



Common meatus of the nose 

 Meatus nasi communis 



Posterior nares 



Choana 



Bony septum of the nose 

 Septum nasi osseum 



Inferior orifice of the palato- 



maxillary or posterior palatine canal 



Foramen pilatinum majus 



Transverse or posterior 



palatine suture 

 Sutura palatina transversa 



Middle or median palatine suture 

 Sutura palatina mediana 



Superior border of 

 the petrous bone 



Angulus superior I 

 pyramidis 



Vidian or 



pterygoid 



canal 



Canalis 



pterygoideus 



(Vidii) 



Tegmen tympani 



Tegmen tympani , 



Vestibule of the labyrinth 



Vestibulum labyrinthi 



Dorsum sellae 

 Dorsum sellze 



Tympanum 



'Cavum tympani 



External auditory 

 meatus 



'Meatus acusticus 

 externus 



Condyle of the inferior 



maxillary bone 

 Capitulum mandibulas 



Zygomatic or 

 infratemporal fossa 

 Fossa infratemporalis 



Zygomatic arch 



Arcus zygomaticus 



Pterygoid fossa 

 Fossa pterygoidea 



Hamular process 



Hamulus pterygoideus 



*Palatine protuberance (var.) 



*Torus palatinus (var.) 



Hard palate 



Palatum durum 



'Anterior palatine fossa 

 Foramen incisivum 



Mental spine 



Spina mentalis 



Mental tubercle 

 Tuberculum mentale 



1 See note to p. 92. 



FIG. 211. ANTERIOR PORTION OF THE SKULL, SEPARATED FROM THE POSTERIOR PORTION BY A 

 FRONTAL SECTION PASSING THROUGH THE Two EXTERNAL AUDITORY MEATUS. 



The view from behind shows the posterior nares with the posterior border of the bony septum of the 

 nose, the bony framework of the oral cavity, and the zygomatic fossae ; further, in frontal section, the 

 tympanic cavities, with portions of the bony labyrinths and the internal auditory meatus. 



Cranium viscerale Facial portion of the skull. 



