gryochrome

A term applied by Nissl to nerve cells in which the stainable portion is present in the form of minute granules without definite arrangement. [G. gry, something insignificant, + chroma, color]

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gryo·chrome (griґo-krōm) [Gr. gry morsel + -chrome] a nerve cell in which the stainable matter of the cell body appears as fine granules.