524: 



THE NERVOUS SYSTEM 



spinal segment pass ventralward in small bundles and make their 

 exit from the antero-lateral snlcus. Outside the cord they unite 

 to form the ventral roots of the spinal nerves. 



In a similar manner the motor roots of the cranial nerves,, with 

 the exception of the abducens, are connected with the motor paths. 



T. vii. 



L. a 



T. viii. 



T. ix. 



L. Hi. 



L. iv. 



T. xi. 



L.v. 



S. Hi. 



T. xii. 



Li 



8.iv. 



S.v. 



FIG. 404. THE MOTOB PATHS OF THE SPINAL COBD AS SHOWN IN A CASE OF DESCEND- 



ING DEGENERATION BELOW A TBANSVEBSE LESION AT THE LEVEL OF THE SEVENTH 



THOBACIO SEGMENT. MarcM's stain. (After Hoche.) 



