Dictionary entry

Idioplasma

Webster's Dictionary 1913

‖Id′i‐o‐plas″ma (?), n. [NL., fr. Gr. ἴδιοσ proper, peculiar + � a form, mold.] (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.