OSTEOLOGY 



26 



Cerebral cranium or calvaria 



Visceral cranium or face 



Vertex or crown of head 



Forehead 



Back of head 



Internal base of skull 



External base of skull 



Anterior cranial fossa 



Middle cranial fossa 



Posterior cranial fossa 



Cerebral projections ("yokes") 



Digitate impressions 



Grooves of the veins 



Grooves of the arteries 



Granular foveolae (O. T. Pacchionian 



depressions) 



Sutural bones (O. T. Wormian bones) 

 Temporal plain 

 Temporal fossa 

 Zygomatic arch 

 Infratemporal fossa 

 Pterygopalatine fossa (O. T. spheno- 



maxillary fossa) 

 Pterygopalatine canal (O. T. posterior 



palatine canal) 

 Sphenopalatine foramen 

 Piriform opening (O. T. anterior nares) 

 Nasal cavity 

 Bony nasal septum 

 Common meatus of nose 

 Superior meatus of nose 

 Middle meatus of nose 

 Inferior meatus of nose 

 Nasopharyngeal meatus 

 Choanae (" funnels") (O. T. posterior 



nares) 



Spheno-ethmoidal recess 

 Jugular foramen 

 Sphenopetrosal fissure 

 Petro-occipital fissure 

 Spheno-occipital fissure 

 Lacerated foramen (O. T. foramen 



lacerum medium) 



Basal fibrocartilage 



Hard palate 



Palatine torus or protuberance 



Orbital cavity 



Orbital opening 



Supraorbital margin 



Infraorbital margin 



Superior wall 



Inferior wall 



Lateral wall 



Medial wall 



Superior orbital fissure (O. T. sphe- 



noidal fissure or foramen lacerum 



anterius) 

 Inferior orbital fissure (O. T. spheno- 



maxillary fissure) 



Sutures of the skull 



Coronal suture 

 Sagittal suture 

 Lambdoidal suture 

 Occipitomastoid suture 

 Sphenofrontal suture 

 Spheno-orbital suture 

 Spheno-ethmoidal suture 

 Sphenosquamosal suture 

 Sphenoparietal suture 

 Squamosal suture 

 Frontal suture 

 Parietomastoid suture 

 Squamosomastoid suture 

 Nasofrontal suture 

 Fronto-ethmoidal suture 

 Frontomaxillary suture 

 Frontolacrimal suture 

 Zygomaticofrontal suture 

 Zygomaticomaxillary suture 

 Ethmoideomaxillary suture 

 Sphenozygomatic suture 

 Sphenomaxillary suture 

 Zygomaticotemporal suture 

 Internasal suture 

 Nasomaxillarv suture 



