54 



ANATOMY FOR NURSES 



[Chap. V 



two processes called condyles, which articulate with the first 

 vertebra. 



Parietal bones. — The right and left form by their union the 

 greater part of the sides and roof of the skull. The external sur- 

 face is convex and smooth ; the internal surface is concave, and 



Ftg. 23. — Front View of the Skull. (Morrow.) 



See note under Figure 22 regarding use of Mandible and Maxilla in pr«ferer.ce 

 to Inferior Maxillary and Superior Maxillary. Note also that the spelling o^ the 

 word Lachrymal differs from the more correct spelling found in the text, as per the 

 B. x\. A. 



presents eminences and depressions for lodging the convolutions of 

 the brain, and numerous furrows for the ramifications of arteries 

 which supply the dura mater (membrane which covers the brain) 

 with blood. 



Frontal bone. — It resembles a cockle shell, and not only forms 

 the forehead, but also enters into the formation of the roof of the 

 orbits, and of the nasal cavity. The arch formed by part of the 

 frontal bone over the eye is sharp and prominent, and is known as 



