70 



CELL DIFFERENTIATION AND THE ELEMENTARY TISSUES 



THE NERVE CELL BODY. 



The nerve-cell body is the nodal and important part of the neurone, and 

 from it are given off the dendrites and axis-cylinder process or axone. It 

 consists of a mass of protoplasm, of varying shape and size, containing within 



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FIG. 93 . Large Nerve Cells with Processes, from the Ventral Cornua of the Cord of Man. X 3 50 . 

 On the cell at the right two short processes of the cell body are present, one or the other of which 

 may have been an axis-cylinder process (Deiters). A similar process appears also on the cell at 

 the left. 



FIG. 94. Multipolar Nerve Cell of the Cord of an Embryo Calf. 



it a nucleus and nucleolus. All nerve cells give off one or more processes 

 which branch out in various directions, dividing and subdividing like the 



