348 



THE SPINAL CORD, BY J. GERLACH. 



one always runs without division, whilst the others frequently 

 subdivide. The unbranched process, which either springs di- 

 rectly from the body of the cell or from its chief and broadest 

 process, is at its point of origin very fine, but gradually in- 



Fig. 224. 



Fig. 224. A nerve cell from the anterior cornu of the spinal cord 

 of Man. a, Nerve process ; b t pigment mass. Magnified 150 

 diameters. 



creases in breadth (figs. 224 and 225) ; hence, in preparing 

 isolated nerve cells, it is torn off with the greatest facility, 

 and this is undoubtedly the reason why it so long escaped 

 observation. In chromic-acid preparations the unbranched 



