104 



HANDBOOK OF ANATOMY 



the supra-orbital nerve ; the margins end in the external angular 

 processes. 



The nasal part is roughened and projects backwards for the 

 articulations of the nasal bones and other bones which are inside 

 the face. 



The frontal bone articulates with the parietal bones above, 



Parietal Border 



Superior Temporal Ridge 



Inferior 

 Temporal Ridge 



Frontal Eminence 



Temporal Surface for 

 Temporal Muscle 



\ 



N External 

 Angular Process 



Lachrymal Fossa 



Glabella / J 

 Nasal Process 



\ n 



i Superciliary Rjdge 

 Supra : pi'bltal Notch 



Nasal Sni-* 



FIG. 40. THE FRONTAL BONE. 



with the malar bones by the outer extremities of the orbital 

 margins, with the great wing of the sphenoid externally, just 

 beyond the orbital margins. 



The Parietal bones are two square-shaped bones, convex 

 outwardly in both diameters. They articulate above with one 

 another, anteriorly with the frontal bone, posteriorly with the 

 occipital bone, and below with the temporal and sphenoid 

 bones. 



