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- Word comparison: protoplasm vs. cytoplasm
protoplasm vs. cytoplasm
noun
Biology., (no longer in technical use) the colloidal and liquid substance of which cells are formed, excluding horny, chitinous, and other structural material; the cytoplasm and nucleus.
Obsolete., the living matter of organisms regarded as the physical basis of life, having the ability to sense and conduct stimuli.
noun
Cell Biology.
the cell substance between the cell membrane and the nucleus, containing the cytosol, organelles, cytoskeleton, and various particles.