protoplasm vs. cytoplasm

protoplasm

[ proh-tuh-plaz-uhm ]show ipa

noun

1. (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.
2. the living matter of organisms regarded as the physical basis of life, having the ability to sense and conduct stimuli.

cytoplasm

[ sahy-tuh-plaz-uhm ]show ipa

noun

1. the cell substance between the cell membrane and the nucleus, containing the cytosol, organelles, cytoskeleton, and various particles.