VERTEBRAL COLUMN 



91 



The dorsal surface (Fig. 61) is usually slightly concave in a 

 cephalo-caudal direction, and sometimes is even excavated. Its ventral 



FIG. 60. 



Transverse fs 

 Process. 



Accessory Process. i- f j jjj| 



Caudal Articular 

 Surface. 



A LUMBAR VERTEBRA, VENTRAL ASPECT. 



part is so twisted outward on itself that it faces more dorsally than 

 does the dorsal part. The general direction of the surface is dorsal 

 and lateral. 



FIG. 61. 



Neural Spine. 



Mammillary Process. 

 Cephalic Articular 

 Process. 



Caudal Articular Pro- 

 cess and Surface. 



Accessory Process. 



Caudal Intervertebral 

 Notch. 



Caudal Epiphysis of 

 Body. 



- Transverse Process, 

 A LUMBAR VERTEBRA. 



The pedicles have long cephalo-caudal and clorso- ventral diameters 

 and are parallel with each other. The former diameter almost equals 



