THE SPINAL CORD. 



Median triangle. 

 Oval area of Flechsig. 



Septo-marginal tract. 

 Soil's 

 column. Burdach's column. 



Posterior spinal 

 artery. 



Posterior 

 nerve-root. 

 Posterior root 

 zone of Bur- 

 dach's column. 

 Lissauer's 

 tract. 



Direct cere- 

 bellar tract. 

 Middle root zone of 

 Burdach's column. 

 Comma tract. 



Anterior root 

 zone of Bur- 

 dach's column. 

 Lateral pyra- 

 midal tract. 

 Lateral limit- 

 ing layer. 



Lowenthal's 

 intermedio-lat. 

 tract. 

 Cowers' tract. 



Antero-lateral 

 ground bundle. 



Helvveg's tract 

 (spino-olivary). 



I Anterior nerve root. 



Mesial cell/ Ventral 

 column 1 dorsal. 



Anterior spinal artery 



Cornu-commissural tract 

 Fasciculus sulco-marginalis. 



Efferent ventro-lateral tract. 



FIG. 19. Diagram showing the tracts, cell columns, and vascular supply of the spinal cord. 

 (From Morris's Anatomy after Arthur Robinson.) 



[To face page 222. 



