TISSUES. 



105 



spinal system brain and spinal cord. Next comes 

 the sympathetic system, made up of ganglia and 



Epineurium. Perineurium. 



Artery and vein. 

 Fig. 73. Cross section of nerve trunk 



Neuraxis of peripheral 

 sensory neuron. 



Anterior horn of gray matter 



oj spinal cord. 



' Neuraxis of peripheral motor 

 neuron. 



If: 



Neuraxis of sympathetic neuron. 



pi g 74 Diagram to show the composition of a peripheral nerve- 

 trunk (Huber). 



mostly non-medullated nerve fibers that terminate 

 in glands or smooth muscle. Lastly, the peripheral 



