The material or cells of which all living things are built up. Each is a jelly-like substance, the former being the nucleus of plants and the latter of animals. Max Schultz proved the identity of these substances.
⁂ Protoplasm is not a simple but a complicated structure, sometimes called a “colony of plasts,” or nuclear granules. (Greek, proto-plasma, the first model; proto-sarkodes, the first flesh-like entity.)
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