828 



THE NERVE SYSTEM 



under this term. Its diameter becomes reduced to 2 mm. ( y L inch), to be 

 tinued below as the filum. 



C.I. 



C.2. 



C.5. 



C.8, 



Th2. 



Th.8. 



Th.12. 



L.3. 



S.2. 



Coc. 



FIG. 599. Transverse sections ot spinal 

 cord at different levels. 



PYRAMIDAL 

 DECUSSATION" 



VENTRO-LATERAL 

 GROOVE" 



OORSO-PAHAMCDIA 



SSURE 



CERVICAL 

 ENLARGEMENT 



DORSO-LATERAL 

 FISSURE 



.LUMBAR 

 ENLARGEMENT 



Ventral aspect. Dorsal aspect. 

 600. Diagram of the spinal cord and its fissures. 



