Nissl bod'ies

(nisi) [Franz Ni l, Heidelberg neurologist, 1860-1919.] Tigroid or chromophile granules constituting the stainable substance or Hnetoplasm of the nerve-cell. K. degenera'- tion, reaction at a distance, degeneration of the cell body occurring'after division of a nerve-fiber. N.'s meth'od, for staining nerve-cells; the ti ue is hardened in 96 per cent, alcohol, stained in a mixture of methylene blue, Venetian soap, and ' distilled water, and then transferred to a differentiating fluid composed of colorle aniline oil, 10, and 96 per cent, alcohol, 90; the sections are now covered with benzin colophonium and the benzin is driven off by heating the slide.