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protoplasm vs. cytoplasm

[proh-tuh-plaz-uhm] / ˈproʊ təˌplæz əm /

noun

  1. 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.

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

[sahy-tuh-plaz-uhm] / ˈsaɪ təˌplæz əm /

noun

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