Idioplasma

Id`i`o`plas´ma


n.1.(Biol.) That portion of the cell protoplasm which is the seat of all active changes, and which carries on the function of hereditary transmission; - distinguished from the other portion, which is termed nutritive plasma. See Hygroplasm.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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