52 



PSYCHOBIOLOGY 



Pons (Varoli) ^ 



Radix n. ab- 

 duccntis 



Oliva  

 Pyramis - 



Radix anterior - 

 n. cervicalis I. 



Radices ante- 

 riores nn.cer- 



vicalium 



Intumescentia . 



cervicalis 



Fissura mediana 

 anterior 

 Funiculus 

 anterior 



 Funiculus 

 lateralis 



Radices ante- 

 riores nn. thora- 

 cal ium 



Radix h.hypoglossi 



Decussatio 

 pyram'idum 



Radices ante- 



riores nn. lum- 



balium 



Intumescentia 



lumbalis 

 Radices 



anteriores 

 nn. sacralium 



Radix anterior 

 n. coccygei 



Fig. 38. Vertebral column, left view. 

 Reduced to about one-third diameter. 

 (Cunningham, Anatomy.) 



Fig. 37. Spinal cord, anterior view. Reduced to about one-half diameter. (Toldt, 

 Anatomischer Atlas.) Showing the roots (radices) of the spinal nerves, the lumbar 

 and cervical enlargements (intumescentiae), the pons, olives, and pyramids. 



