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THE NERVOUS SYSTEM. 265

Fig. 118.

Nerve-cell from Spinal Cord of Ox, isolated after maceration in very dilute chromic acid (magnified
l/'i diameters). The cell has a well-defined, clear, round nucleus and a bright nucleolus. The
cell-processes are seen to be finely fibriljated, the fibrils passing from one process into another
through the body of the cell, o, axis-cylinder process, broken a short distance from the cell.
Fig. 119.

Section of the Saphenous Nerve (human), made after being stained in osniic ^^"^
?"<|,^|'|'^f^".''°!!y

are darkly stained by the osmic acid, but the connective tissue of the nerve is only sligntiy
stained.