THE SKELETON. 



331 



(c} 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. 



