VERTEBRAL COLUMN 



93 



between the lamina and the pedicle. The mammillary process is the 

 rounded tubercle on the lateral side of the tip, and separated from 



FIG. 63. 



Lamina. 



Position of Pedicle, ivhich does 

 not show in this section. 



Xeural Spine. 

 Caudal Articular Process. 

 Cephalic Articular Process. 

 Mammillary Process. 



Accessory Process. 



Body. 



Transverse Process. 



TRANSVERSE VERTICAL SECTION THROUGH AN INTERVERTEBRAL 

 JOINT IN THE LUMBAR REGION. 



the sharp dorsal edge of the cephalic articular surface by a" groove. 

 The articular process has a slightly emarginate caudal edge directed 

 dorsally and toward the tail, and a sinuate cephalic edge which is 



FIG. 64, 



Mammillary Process. 



Cephalic Articular Process. 



Accessory Process. 



Oinilnf Articular 



A LUMBAR VERTEBRA, DORSAL ASPECT. 



almost vertical. The quadrate lateral surface is concave in the dorso- 

 ventral direction and convex in the cephalo-caudal direction," and faces 



