NERVOUS TISSUES. 



183 



depends much more upon the connective tissue present, than 

 on the nervous elements. The nerves in their course through 

 the tissues are tough strong cords, which bear a strong pull 

 in dissection, because the fibres are bound together by means 

 of firm sheaths of connective tissue; and for a similar reason 

 the ganglia of the sympathetic system are exceedingly tough. 



Fig. 9G. MULTIPOLAR NERVE - CORPUSCLE from anterior cornu of 

 spinal cord of ox. Schultze after Deiters. 



But the brain and spinal cord are of a soft consistence, easily 

 destroyed by handling, and reduced to viscid pulp by a little 



