单词 | Schleiden |
例句 | In 1838, Matthias Schleiden stated that all plants are made of cells. Miller & Levine Biology 2018-01-01T00:00:00Z Different investigators found that animal tissue is also composed of cells; and between 1835 and 1839 Schwann and Schleiden formulated the law that every metazoic organism is made of cells, and starts from a cell. Essays In Pastoral Medicine 2012-03-05T03:00:09.993Z Schleiden in this paper attempted to solve the problem of the mode of origin of cells. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z For example, the chapter of receipts for cooking fish can have a title-page of its own, after the style of the engravings in Schleiden's 'Wonders of the Deep.' Only a Girl: or, A Physician for the Soul. 2011-07-13T02:00:14.230Z In this remarkable statement he seems to anticipate in part the discoveries afterwards made as to pollen tubes, and more particularly the peculiar views promulgated by Schleiden. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 "Borgia, Lucrezia" to "Bradford, John" The revelations of the cellular composition of animals by Schwan and plants by Schleiden mark greater steps in human progress than any or all of the decisions of the supreme court. The Art of Lecturing Revised Edition Schleiden, excess of nourishment a cause of variability, ii. The Variation of Animals and Plants Under Domestication, Volume II (of 2) We may indeed date the birth of animal cytology from Schleiden’s short but epoch-making paper. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z The yeast-plant, as we have learned, is an assemblage of living cells; but so at bottom, as shown by Schleiden and Schwann, are all living organisms. Fragments of science, V. 1-2 Inferior ovary.—Is the pistil always foliar in its morphological nature, or is it, in some cases, as Schleiden taught, formed from the axis alone? Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants Schleiden's theme in this paper is the origin 171and development of the plant cell, a subject then very obscure, in spite of pioneer work by Mirbel. Form and Function A Contribution to the History of Animal Morphology This was clear to Lyons who, though against such recognition, had understood the drift, if Schleiden is to be trusted, of Ministerial opinion. Great Britain and the American Civil War So great was the stimulus given to cytological research by the work of Schleiden and Schwann that these authors are often referred to as the founders of the cell-theory. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z The tea-tree in China, from its marked effect on the human constitution, has long been an agent of superstition, and been associated with the following legend, quoted by Schleiden. The Folk-lore of Plants He was followed by Turpin, Mirbel, Schleiden, Payer, and others, and its value is now fully recognised by botanists. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants Schleiden saw the importance of this discovery, confirmed the constant presence of the nucleus in young cells, and held it to be an elementary organ of the cell. Form and Function A Contribution to the History of Animal Morphology Again, on February 10, he conversed with Schleiden on the same topic, and complained that there was no foreign complication offering an excuse for a break. Great Britain and the American Civil War The work of Schleiden and Schwann marks the close of the first period in the history of the cell-theory—the period dominated by the cell-wall. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z This was not done, by Schleiden for the plant and Schwann for the animal, until 1838. The Evolution of Man — Volume 1 Nevertheless, Schleiden, arguing from such analogies, comes to the surprising result, that a wood evaporates ten times as much water as it receives from atmospheric precipitation. The Earth as Modified by Human Action To Schleiden, too, we owe the conception of the cell as a more or less independent living unity, whose life is not entirely identified with the life of the plant as a whole. Form and Function A Contribution to the History of Animal Morphology As early as January 26 he had unfolded to Schleiden this fantastic plan. Great Britain and the American Civil War By this time too it was realized that the formation of cells de novo, postulated by Schleiden’s theory of “phytogenesis,” did not occur. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z I tried to read Schleiden, but my German was insufficient. Life and Letters of Thomas Henry Huxley — Volume 1 Notwithstanding the high authority of Schleiden, therefore, it seems impossible to reconcile his estimates with facts commonly observed and well established by competent investigators. The Earth as Modified by Human Action Schleiden and Schwann started out from an erroneous theory of the origin and development of cells, which impaired to some extent the value of their results. Form and Function A Contribution to the History of Animal Morphology Lincoln's first comment was that he was "willing to make an attempt of contributing to the prevention of bloodshed and regretted that Schleiden had not gone to Richmond without consulting him or Seward." Great Britain and the American Civil War One was the account of the atmosphere, by Dr. Buist of Bombay, and the other was the description of the Indian Ocean, which was quoted from Schleiden's Lecture. St. Elmo This view was held with regard to plants by Andrew Knight, and is now held by Schleiden, more especially in reference to the inorganic elements of the food. The Variation of Animals and Plants under Domestication — Volume 2 He asserted that the nucleus of the cell lies within this substance and not attached to the cell wall as Schleiden had contended. A History of Science — Volume 4 In plants, according to Schleiden, cells are never formed in the intercellular substance—the cytoblastem is within the cells; but extracellular cell formation seems to be the general rule in animals. Form and Function A Contribution to the History of Animal Morphology Seward at once took Schleiden to see Lincoln. Great Britain and the American Civil War Schleiden immediately notified Stephens of his presence in Richmond and desire for an interview, and was at once received. Great Britain and the American Civil War On the afternoon of April 27 Schleiden was back in Washington. Great Britain and the American Civil War Schleiden freely acknowledged his indebtedness to Brown for first knowledge of the nucleus, but he soon carried his studies of that structure far beyond those of its discoverer. A History of Science — Volume 4 Schleiden's idea was that an armistice be agreed upon with the South until the Northern Congress should meet in July, thus giving a breathing spell and permitting saner second judgment to both sides. Great Britain and the American Civil War He had not officially sent Schleiden to Richmond, but he had grasped eagerly at the opening and had encouraged and aided Schleiden in his journey. Great Britain and the American Civil War Alexander H. Stephens, Vice-President of the Confederacy, was then at Richmond, and to him, as an old friend, Schleiden proposed to go and make the same appeal. Great Britain and the American Civil War And by cell Schwann meant, as did Schleiden also, what the word ordinarily implies—a cavity walled in on all sides. A History of Science — Volume 4 Schwann felt that this similarity could not be mere coincidence, but he had gained no clew to further insight until Schleiden called his attention to the nucleus. A History of Science — Volume 4 Schleiden had even supposed the nucleus to be a constituent part of the wall, sometimes lying enclosed between two layers of its substance, and Schwann quoted this view with seeming approval. A History of Science — Volume 4 Seward's own attitude is well summed up in a despatch to his Government, February 18, 1861, by Rudolph Schleiden, Minister from the Republic of Bremen. Great Britain and the American Civil War In one other important regard the theory of Schleiden and Schwann now became modified. A History of Science — Volume 4 Schwann had regarded cell growth as a kind of crystallization, beginning with the deposit of a nucleus about a granule in the intercellular substance—the cytoblastema, as Schleiden called it. A History of Science — Volume 4 So expeditious had been his work that this book was published early in 1839, only a few months after the appearance of Schleiden's paper. A History of Science — Volume 4 Thus the nucleus was restored to the important position which Schwann and Schleiden had given it, but with greatly altered significance. A History of Science — Volume 4 The first paragraph of this quotation reports Seward's opinion; the second is apparently Schleiden's own estimate. Great Britain and the American Civil War |
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