Definitions
from The Century Dictionary.
- noun Same as
cytogenesis .
Etymologies
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Examples
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The attractive force is seen in the process of cell-formation, where first of all the nucleolus is formed by a concentration and precipitation of substances found free in the cytoblastem, and in the same way the nucleus and later the cell are laid down as concentric precipitates from the cytoblastem.
Form and Function A Contribution to the History of Animal Morphology
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With what inorganic process, he now asks (p. 239), can the process of cell-formation be most nearly compared, and the answer obviously is, with the process of crystallisation.
Form and Function A Contribution to the History of Animal Morphology
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_Dotterfurchung_, and its details were by most interpreted in the light of the Schleiden-Schwann theory of cell-formation.
Form and Function A Contribution to the History of Animal Morphology
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The only case of purely vegetative cell-formation which takes place by either of these processes is that of the formation of endosperm in
Scientific American Supplement, No. 531, March 6, 1886 Various
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F.r C.F. Wolff, [238] the formation of cells was a result of the secretion of drops of sap in the fundamental substance of the plant, this substance remaining as cell-walls when cell-formation was completed -- no idea here of cells as units of structure.
Form and Function A Contribution to the History of Animal Morphology
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Schleiden's views on cell-formation were drawn from some rather imperfect observations on the embryo-sac and pollen-tube, but he extended his theory to cell-formation in general.
Form and Function A Contribution to the History of Animal Morphology
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It is the Life, or the Life Force within, acting under the direction and guidance of the subconscious or subjective mind that is the agency through which this continually new cell-formation process is going on.
The Higher Powers of Mind and Spirit Ralph Waldo Trine 1912
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All manner of schemes of cell-formation were put forward during the ensuing years by a multitude of observers, and gained currency notwithstanding Von Mohl's reiterated contention that there are really but two ways in which the formation
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Instead of being a structure generated de novo from non-cellular substance, and disappearing as soon as its function of cell-formation was accomplished, the nucleus was now known as the central and permanent feature of every cell, indestructible while the cell lives, itself the division-product of a pre-existing nucleus, and the parent, by division of its substance, of other generations of nuclei.
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Ehrenberg, another high authority of the time, contended that no such division occurs, and the matter was still in dispute when Schleiden came forward with his discovery of so-called free cell-formation within the parent cell, and this for a long time diverted attention from the process of division which Von Mohl had described.
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