106 



OF MI'SCI.I- AM> M-:i;\ KS. 



nerve-fibres, which are connected \\itli tin- cell. The 



kernel is finely L r ranulated and is composed of a pn>- 



topla-mie mass, \vliicli, uhen 

 heated, or subjected to certain 



other influences, becomes dull 



nnd opaque, but which iii a fiv-h 

 condition is usually somewhat 

 transparent. The form of the 

 ganglion-cells is very variable. 

 Sometimes they appear almost 

 globular; in other cases they 

 are elliptic; others, a^ain, an- 

 irregular, ])i-o\ided with numer- 

 ous offshoots. Mo- 1 M-;I 11 o'l ion- 

 cells have one -,r more project- 

 ing pp C( SSi : -OIMC are. indeed, 

 found without processes, but it 

 is certain that this condition is 

 merely artificially produced, tin- 

 processes having been torn oft' 

 during the preparation of the 

 ganglion -cell. ( ranglion- cells 

 are oeea>ioiially insert efl in the 



cour.-e of the lier\f-tibre-, SO 

 that the ])roce>-es dit't'er in no 

 wav from other ner\ e-fibres, as 

 Is shown in fig. 27. In the^au- 

 glion-cells of the dorsal marrow, 

 \\hich ha\e manv iiroee-- . 



IM... 27. <: VNOLION-l ELL8 



WITH SKRVB-PHOCKS8E8. some OI these a|)pear exactly 



like the l'e>t of tll<' Cell body - 



that is to say, they are finely u-ranulated; these are 

 called protopla>mic processes. On the other hand, in 



