58 



THE SKULL AND THE BONES OF THE SKULL 



Sphenoidal turbinate 

 or spongy bone (cor- 

 iiiia sphenoidalia, bones 

 of Berlin) 



Concha sphenoidalis 



Sphenoidal foramen 



Apertura sinus sphenoidalis 



Frontal border 



Margo frontalis 



Malar border 



Margo zygomati 

 Spinam. recti lateralis 1 ..-. 



Sphenomaxillary surface (;, 

 Facies sphenomaxillaris 



Internal pterygoid plate 



Lamina medialis 



External pterygoid plate 



Lamina lateralis processus pterygoidei 



Pterygoid notch 



Fissura pterygoidea 



Sphenoidal crest 



, Rostrum sphenoidale 



_ Orbital surface of great wing 



Great wing (temporal 



surface)' 



Ala magna (facies temporalis) 



Foramen rOtUndum-Foramen rotundum 



Vidian or pterygoid canal 



Canalts ptcryyoiijeus (V'idii) 

 Infratemporal crest Crista infratemporalia 



- Sulcus pterygopalatinus 4 



Pterygoid process 



Processus pterygoideus 



Basipharyn- \ 

 geai canai* \ 



''Canalis basi- ' 



pharyngeus 1 1 ^ ^J^ Gioove Qf ^ hajnular process 



Sulcus hamuli pterygoidei 



Hamular process 



Hamulus pterygoideus 



Pterygopalatine canal 

 Canalis pharyngeus 



i Spine for the attachment of the lower head of the external rectus muscle of the eyeball, 

 between the palate bone and the superior maxillary bone. TR. 



FIG. 116. THE SPHENOID BONE SEEN FROM BEFORE. 



Posterior elinoid process 

 Processus clinoideus posterior 

 Body of the sphenoid bone 

 Small wing- -Al;i parva 



Sphenoidal fissure 

 Fissura orbitalis superior 



Dorsum sellse Dorsum sellae 



Anterior clinoid process Processus clinoideus anterior 



, Great wing 

 ' (cerebral sur- 

 face) Ala 



magna 



External or squamous border 

 Margo squamosu 



Carotid groove - 



Sulcus caroticus 



Spinous process 



Spina angularis 



Parietal angle 

 / Angulus parietalis 



Infratemporal crest 

 Crista infratemporalis 



Pterygoid process 



Processus pterygoideus 



Pterygoid notch 



Fissura pterygoidea 



Hamular groove 



Sulcus hamuli pterygoidei / 



Hamular process Hamulus pterygoideus 



Vaginal process Processus vaginalis 

 1 See note to p. 48. 



External or squamous border 

 ..-- Margo squamosus 



Vidian or pterygoid canal 



Canalis pterygoideus (Vidii) 



, Baslpharyngeal canal 1 



i-.. Canalis ha-ipharyngeus 



Temporal surface of the great wing 2 



""Facies temporalis ate magna; 



Pterygopalatine canal Canalis pharyngeus 

 -_ Scaphoid fossa 

 Fossa scaphoidea 



Pterygoid fossa 

 Fossa pterygoidea 

 -External pterygoid plate 



Lamina lateralis 



internal pterygoid plate -Lamina medialis 

 Sphenoidal crest Crista sphenoidalis 

 Sphenoidal rostrumRostrum sphenoidale 

 - See note to p. 59. 



FIG. 117. THE SPHENOID BONE SEEN FROM BEHIND. 



Os sphenoidale The sphenoid bone. 



