50 



ANATOMY FOR NURSES 



[Chap. V 



and the strain greatest, and it is hollowed out in the interior to 

 form the medullary canal. The extremities are made up of can- 

 cellated tissue with only a thin coating of compact substance, and 



. PARIETAL 

 -TEMPO RA I. 



CARPUS 

 METACARPUS 



Fig. 21. — The Human Skeleton. (Morrow.) 



are more or less expanded for greater convenience of mutual con- 

 nection, and to afford a broad surface for muscular attachment. 

 All long bones are more or less curved, which gives them greater 

 strength and a more graceful outline. 

 The long bones are as follows : — 



