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PHYSIOLOGY. 



cartilages serve both to keep the vertebrae apart and to 

 hold them together. When we bend the shoulders to the 

 right, the right edges of these cartilages are compressed, 



Neural Arch 



Transverse Process 



Body- 



Neural Ring 

 Fig. 104. Anterior View of Lumbar Vertebra. 



Body 



Posterior Articular Process 

 Fig. 105. Side View of Lumbar Vertebra. 



and the left edges are stretched, as a piece of india rubber 

 would be if it were glued between the ends of two spools, 

 and the whole were slightly bent. 



Curves of the Spinal Column. View the spinal column 

 from the side. Draw a line representing all its curves. 



