92 THE ESSENTIALS OF HISTOLOGY. 



the cells of the spinal ganglia (fig. 108); in these the single process, 

 after a short course, joins one of the nerve-fibres which is traversing 



FIG. lOSu. CELL FROM A SPINAL GANGLION. (Retziua.) 



xh, nucleated sheath of the cell ; n, n', the nerve-fibre which the single process of the cell, 

 after a number of coils, joins. 



the ganglion. When there are two processes, they often go off in 

 opposite directions from the cell, which is thus rendered somewhat 



FIG. 109A. -SYMPATHETIC GANGLION- 

 CELL OF A FROG, HIGHLY MAGNI- 

 FIED. (Beale.) 



a, a, straight fibre ; b, b, coiled fibre, 

 dividing as it passes to the cell. 



FIG. 109B. A GANGLION-CELL WITHIN ITS 

 SHEATH ; FROM THE HUMAN SYMPATHETIC. 



(Key and Retzius.) (Highly magnified.) 



spindle-shaped, but occasionally they emerge at the same part. In 

 some cases where there appear to be two fibres connected with a cell, 



