Frontal eminence 



Front.tl i 



Parietal 



border 





I 



Superciliary 



Orbital portion *# ' if 



■al T w 



I 

 Nasal portion Frontal <; 









Parietal 

 border 



-;•• 



t 





I 





' ■*.. 



4 



/ 



Cerebral surface (of orbital portic 



I ore 



' I . crest 





