THE REPAIR OF A NERVE 



421 



He figures the long and often contorted course of these growing 

 fibres in the swelling at the cut central end, and shows that 

 they ultimately reach their goal — the peripheral segment — in 



Fig. 1. — Olive-shaped swellings at the 

 ends of nerve fibres growing distal- 

 wards from the central ends twenty- 

 one days after the nerve had been 

 divided. (Marinesco. ) 





•m- ■•*§#? 



Fig. 2.— Spiral forms often seen 

 in regenerating nerve fibres : the 

 fibres are seen to be of varying 

 thickness, and each is pro- 

 vided with a terminal swelling. 

 (Marinesco.) 



time and in spite of all hindrances. The greater the obstacles 

 interposed the later does the union and consequent regeneration 

 in the peripheral end occur. He also draws attention to the 



