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Excerpt from The Cytoplasm of the Plant Cell
While these conceptions were being established, the works Of von mohl meyen and nageli were proving the inexactitude Of schleiden s theory of cell origin and showing that cells multiply by division. Thus the word cell (french cellule, from the Latin cellula, little room) came to mean the contents of the cellular cav ity, a significance quite different from that given it by hooke, who Observed only the walls.
From then on, the conception Of the cell was enlarged upon but the knowledge of its structure, making only slow progress, was to remain Obscure for a long time. The early cytologists observed only living cells. This presents serious difficulties, for, with the exception of unicellular organisms, Observation of living material can be carried out only after tearing or sectioning tissue, operations which risk injuring the cells. Cells examined in a medium not their own water, for instance may, during Observation, undergo serious alterations. Lastly, observation of living material never allows the study of cell structure to be pushed sufficiently far, be cause, except for cases which are unusually favorable, the different elements which constitute the cell Show too small differ ences of refractivity for it to be possible to distinguish one from the other with clearness, and this becomes, moreover, well nigh impossible in embryonic tissue in which the cells are very small.
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The Cytoplasm of the Plant Cell (Classic Reprint)
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Paperback. Zustand: New. Print on Demand. This book dives into the fascinating world of plant cell cytoplasm, a complex and essential component often overlooked in favor of the nucleus. The author, a leading expert in the field, takes a comprehensive approach, delving into the historical understanding of cytoplasm, its physical properties, chemical constituents, and the various structures found within it, including plastids, chondriosomes, and vacuoles. Through meticulous research and detailed observations, the author challenges long-held beliefs and sheds new light on the role of the cytoplasm in cellular function. The book illuminates the dynamic nature of cytoplasm, emphasizing its ability to change and adapt to its surroundings, and explores the interplay between the cytoplasm and other cellular components. By providing a deeper understanding of this vital substance, this book contributes to the broader knowledge of plant biology and opens up new avenues for future research. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9781528100144_0
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