18-' HEALTH AND DISEASE 



cesses, which are directed horizontally outwards. The last two are much 

 thicker and somewhat shorter than the rest, and are united to each other 



Fig. 285, — Lumbar Vertelna 



1 Superior Spinous Process. - Anterior Oblique Process. ^ Transverse Process. ■■ Anterior 

 Articular Face of Body. ^ Spinal Canal. 



by the borders of their transverse processes, and to the transverse process 

 ■of the sacrum by synovial articulations. 



The Sacrum (fig. 28G) or rump bone, as we have already pointed 



Fig. 286.— Sacrum (Side View) 



' ' Superior Spinous Processes. - Transverse Process. ' Articulation for Last Lumbar Vertebra. « 5 6 7 Superior 

 Sacral Foramina for the passage of the Superior Sacral Nerves. 



out, is a large single triangular bone in the adult, resulting from the 

 welding together of five vertebrae, which are separate in the foetus. It 



