Foramen caecum 

 Foramen oecum 



galli 

 Crista galli 



Cribriform plate 



I 

 Lesser wing of sphenoid 



Greater wing of sphenoid 

 Foramen opticum : 



Sphcnoidal f>ssure>ideus ant 

 Processus clinoideus 



anterior 



Foramen rotundum deii-S p< 

 Processus clinoideus 

 posterior 



Foramen ovale 

 Foramen lacerum 

 medium 



Squamous portion 

 of temporal bone 



Internal auditory 



meatus 

 Sulcus petrosus 



superior 

 Foramen jugulare 



Posterior condyloid 

 / foramen 



Mastoid foramen 



Foramen occipitale 





 Internal occipital crest 



