THE SPINAL CORD. 



407 



D 



Fig. 327. Four cross-sections of the human spinal cord ; X 7 : ^> Cervical region 

 in the plane of the sixth spinal nerve-root ; jB, lumbar region ; C, thoracic region ; D, 

 sacral region (compare with Fig. 328). (From preparations of H. Schmaus. ) 



