THE SKULL AND THE BONES OF THE SKULL 



91 



Anterior internal orbital canal 2 

 Foramen ethmoidale anterius 

 Cribriform plate of the ethmoid 

 Lamina cribrosa 



Orbital plate, oa planum, or lamina papyracea, 

 of the ethmoid bone Lamina papyracea 

 Posterior internal orbital canal 1 

 Foramen ethmoidale posterius 



Orbital process of the palate bone Processus orbitalis 

 Orifice of the sphenoidal sinus 

 Apertura sinus sphenoidalis 

 Sphenopalatine foramen Foramen sphenopalatinum 



Sphenoidal process of the palate bone 



Processus sphenoidalis X- 



Sphenoidal sinus 



Sinus sphenoidalis 



Pterygopalatine canal 

 Canalis pharyngeus 

 Vaginal process of sphenoid 



Processus vaginalis 



Spinous process of sphenoid 



bone Spina angularis 



Pterygospinous foramen (var.) 

 Foramen pterygospinosum (var.) 



Pterygospinous process, or process 



of Clvinini (var.) 

 Frocessus pterygospinosus (Civinini) (var.) 



Vertical plate of the palate bone 

 Pars perpend icularis ossis palatini 



Pterygoid process 



ProcesbUS pterygoideus I 



[External pterygoid plate 



I La 



na lateralis 



Internal pterygoid plate 



Lamina medialis 



Hamular process Hamulus pterygoideus' 



Posterior nasal spine Spina nasalis posteriori \ 



Horizontal plate of the palate bone Pars horizontalis ossis palatini' 



1 U.S.: Posterior ethmoidal canal. 2 U.S. 



Lachrymo-ethmoidal suture 

 Sutura lacrimo-ethmoidalis 

 Frontolachrymal suture 

 Sutura frontolacrimalis 

 Nasofrontal suture 

 Sutura nasofrontalis 

 . Nasal spine of frontal bone 

 Spina frontalis 



Groove of the nasal nerve 



'Sulcus ethmoidalis 

 Nasal bone 

 Os nasale 



Lachrymal bone Os lacrimale 

 Nasal process of superior maxillary 



Done Processus frontalis maxillae 



. Lachrymomaxillary suture 

 Sutura lacrimomaxillaris 



Lachrymal groove 



'Sulcus lacrimalis 



Anterior nasal spine 



Spina nasalis anterior 



Vi 



Nasal surface of the superior 



maxillary bone 

 Facies nasalis maxillae 

 Anterior palatine groove 



Canalis incisivus 



Palate process of the superior maxillary bone 

 Processes palatinus maxillae 

 Orifice of the maxillary sinus, 

 or antrum of Highmore 



Hiatus maxillaris 



Anterior ethmoidal canal. 



FIG. 205. THE EXTERNAL WALL OF THE NASAL CAVITY AFTER REMOVAL OF THE THREE TUR- 

 BINATE BONES AND THE LATERAL MASS OF THE ETHMOID : MEDIAN SAGITTAL SECTION. 

 LEFT SIDE. 



Frontal sinus 

 Sinus frontalis 



Nasofrontal suture 

 Sutura nasofrontalir 



Nasal spine of the frontal bone 



Spina frontalis 



Bony septum of the nose _ 



Nasal bone 



Os nasale 



Anterior nasal aperture, or 

 apertura pyriformis 



Apertura piriformis 



Inferior turbinate bone ,--'' 

 Concha nasalis inferior 



Anterior nasal spine / 

 Spina nasalis anterior 



Anterior palatine groove and Stenson's canal 

 Canalis incisivus 



I Foramen caecum Foramen caecum 

 Crista galli Crista galli 



Cribriform plate 



Lamina cribrosa 



Vertical plate of the ethmoid bone 



Lamina perpendicularis ossis ethmoidalis 



/Rostrum of the sphenoid bone 

 Rostrum sphenoidale 



/Sphenoidal sinus 



, ' Sinus sphenoidalis 



Body of the sphenoid bone 



Corpus ossis sphenoidalis 



Ala of the vomer 

 Ala vomeris 



The vomer 

 Vomer 



^Posterior nasal spine Spina nasalis posterior 

 'Horizontal or palate plate of the palate bone 

 \ Pars horizontalis ossis palatini 



Transverse or posterior suture of the palate 



Sutura palauna transversa 



Nasal crest of the superior maxillary bone Crista nasalis 

 'Palate process of the superior maxillary bone 



Processus palatinus maxillae 



FIG. 206. THE BONY SEPTUM OF THE NOSE SEEN FROM THE LEFT SIDE: SAGITTAL SECTION 

 OF THE FACIAL PART OF THE SKULL, A LITTLE TO THE LEFT OF THE MEDIAN PLANE. 



Cavum nasi Nasal cavity. 



