THE SKELETON. 



331 



(V) The middle process is the spinous process, and the series of 

 spinous processes form the ridge of the backbone ; 



(d) The two lateral processes are the transverse processes. 



Neural Arch 



Body. 



Transverse Process 



Spinous Process 



Neural Ring 

 Fig. 99- Anterior View of Thoracic Vertebra. 



Demi-Facet for Head of Rib 



Body 



Anterior Articular 



Process 



.... Facet for Tubercle 

 of Rib 



"Transverse Process 



Spinous Process 



Fig. 100. Left Side View of Thoracic Vertebra. 



Fit together two vertebrae in their proper order and observe that : 

 (e) The openings at the sides, through which the spinal nerves 

 passed, are formed by adjacent notches, or grooves, in the contiguous 

 vertebrae. 



(/) The two projections extending anteriorly from the ring of one 

 vertebra fit against two corresponding processes extending posteriorly 

 from the other vertebra. These are the anterior and posterior articu- 

 lating processes. 



