134 



NERVOUS TISSUE. 



nucleus (fig. 88), and within this an equally distinct nucleolus, or rarely 

 more than one. The substance of the cell ]s soft and translucent, but 

 finely granular or punctuated, and slightly tinged throughout with a 

 brownish red colour ; and cells are often seen, especially "those of the 

 large ramified kind, with one, or sometimes two, much deeper coloured 



Fis. 89. 



Fig. 90. 





Fig. 90. — Ramified Kerve-Cell from Ante- 

 rior CoRNU OF Spinal Cord (Man). 



a, axis-cylinder process, h, clumi) of pig- 

 ment granules. Above the cell is seen part of 

 the network of fibrils mentioned in the text 

 (from Gerlach). 



Fig. 89. 



X , X , Portion of nerve-cell from spinal cord of ox, with .axis-cylinder process, a, 

 coming off from it and acquiring at a' a medullary sheath. Highly magnified. 



b, represents an axis-cylinder, still more magnified, showing the tine varicose fibrils 

 which it contains (from Max Schultze.) 



