protoplasm
IPA: proʊtʌpɫæzʌm
noun
- (cytology) The entire contents of a cell comprising the nucleus and the cytoplasm. It is a semi-fluid, transparent substance which is the living matter of plant and animal cells.
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Examples of "protoplasm" in Sentences
- The term protoplasm is still in use with different meanings as used by different writers.
- This common base is the physical and chemical character of the mixture of substances which we call protoplasm ....
- To this material he now gave the name protoplasm, choosing a name hitherto given to the cell contents of plant cells.
- I began with what I called the protoplasm of religion, the primitive ideas and practices which form the psychological basis of the whole growth.
- A hundred years ago, when scientists believed cells were full of a mysterious substance they called protoplasm, that was a legitimate scientific question.
- From this time forth this term protoplasm was applied to the living material found in all cells, and became at once the most important factor in the discussion of biological problems.
- And we have seen that the essential substance of a cell is a complex chemical compound we call protoplasm, whose elements are identical with chemical substances outside the living world.
- The body protoplasm is generally crescentic; there are two chromatin masses, the larger one, the nucleus, on the side of the convexity, the other narrower, more deeply stained situated usually on the edge of the concavity, the centrosome.
- [2] The word protoplasm must not be misunderstood to mean a substance of a definite chemical nature, or of an invariable morphological structure; it is applied to any part of a cell which shows the properties of life, and is therefore only a convenient abbreviation for the phrase "mass of living matter."
- We do not know, it is said, by what means the structureless viscid substance which we call protoplasm can build for itself a solid bone; we do not understand how an amoeba makes its test; no one understands how anything is done unless he can do it himself; and even then he probably does not know how he has done it.
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