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Protoplasma
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Download or read book Protoplasma-Monographien written by and published by . This book was released on 1928 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Methods in Cell Biology written by and published by Academic Press. This book was released on 1966-01-01 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methods in Cell Biology
Book Synopsis Plant Physiology by : Frank B. Salisbury
Download or read book Plant Physiology written by Frank B. Salisbury and published by Ancestry Publishing. This book was released on 1992 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: The text provides a broad explanation of the physiology for plants (their functions) from seed germination to vegetative growth, maturation, and flowering. It presents principles and results of previous and ongoing research throughout the world.
Download or read book Protoplasma written by and published by . This book was released on 1975 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Medical Record by : George Frederick Shrady
Download or read book Medical Record written by George Frederick Shrady and published by . This book was released on 1870 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Protoplasmic Theory of Life by : John Drysdale
Download or read book The Protoplasmic Theory of Life written by John Drysdale and published by CreateSpace. This book was released on 2015-08-21 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the preface to this work, we learn that it is based on Dr. Drysdale's inaugural address as President of the Microscopical Society of Liverpool in1874. The author makes no claim to original discovery, and his object appears to be to supplement and confirm what he had already said as to the biological views of the late Dr. John Fletcher, in a prior work entitled, "Life, and the Equivalence of Force." This writer appears to have been the originator of the protoplasmic theory of life-a theory which postulates that "every action properly called vital, throughout the vegetable and animal kingdoms, results solely from the changes occurring in a structureless, semi-fluid, nitrogenous matter now called protoplasm." It would be impossible, in the space which we have at command, for us to examine that theory fully; and we must content ourselves with referring to a few of the most salient points discussed by Dr. Drysdale in the present work. We are glad to see that our author, while asserting the priority of Fletcher's theory, does credit to the labours of Dr. Beale, whose researches require that he should be accredited as the actual demonstrator of the truth of that which had before only been hypothetically advanced. The theory, nihil vivum nisi protoplasma, now established, includes not merely the origin, but also the continuance of life, every particle which goes to form the organized structure and its secretions having first to "enter into and become part of the living, semi-solid matter itself," and the decay of protoplasm being necessary to give rise to the actions which are the marks of vitality. The death of protoplasm must result in the formation of certain by-products as well as of Beale's "formed-material," and Dr. Drysdale points out that it is for organic chemistry to test the existence of those products, and thus confirm or disprove the theory. As tested by its explanation of blood-formation and nerve-action, the protoplasmic theory would seem to leave little to be desired. The former is strictly a growth and death of bioplasts, "the part that grows and lives constituting the white corpuscle which pass into the lacteals, and finally into the blood-vessels; while the part that dies constitutes the serum, or true pabulum, which is. still further elaborated by the bioplasts of the blood-vessels, and those floating in the blood itself." Again, the nerves consist of dead formed material, but they require special bioplasts for their formation and repair, and they are "studded at short intervals with bioplasts, or little masses of living matter, which, besides their other living functions, act as little batteries, from which the vis nervosa - a mere dead force like all other forces, and possibly electricity-is evolved." Dr. Beale would seem to be of opinion that nerve force is merely electricity, but our author supports the view that, although allied to electricity, it is essentially distinct. -Anthropologia, Volume 1 [1875]
Download or read book Plant Science Literature written by and published by . This book was released on 1938 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Protoplasmic Streaming by : Noburo Kamiya
Download or read book Protoplasmic Streaming written by Noburo Kamiya and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plasmodesmata by : Aart J.E. van Bel
Download or read book Plasmodesmata written by Aart J.E. van Bel and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasmodesmata are minuscule plasma corridors between plant cells which are of paramount importance for transport, communication and signalling between cells. These nano-channels are responsible for the integrated action of cells within tissues and for the subdivision of the plant body into working symplast units. This book updates the wealth of new information in this rapidly expanding field. Reputed workers in the field discuss major techniques in plasmodesmatal research and describe recent discoveries on the ultrastructure, the functioning and the role of plasmodesmata in intracellular transport and communication, in cell differentiation, plant development and virus translocation.
Download or read book Medical record written by and published by . This book was released on 1870 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Library of the Marine Biological Laboratory and the Woods Hole Oceanographic Institution Publisher : ISBN 13 : Total Pages :908 pages Book Rating :4.:/5 (321 download)
Book Synopsis Catalog by : Library of the Marine Biological Laboratory and the Woods Hole Oceanographic Institution
Download or read book Catalog written by Library of the Marine Biological Laboratory and the Woods Hole Oceanographic Institution and published by . This book was released on 1971 with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pamphlets on Biology written by and published by . This book was released on 1901 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Protoplasmic Theory of Life by : John James Drysdale
Download or read book The Protoplasmic Theory of Life written by John James Drysdale and published by Rarebooksclub.com. This book was released on 2012-10 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: CHAPTER III. THE PROTOPLASMIC THEORY BEFORE 1860. Even before the supremacy of the cell was shaken, biologists began to notice that the cell theory most in vogue through Virchow's compendium was not the theory of Schwann in its complete form, and the opinion was expressed by Max Schultze that in many points we must go back to the purer form of the doctrine.-f Now what is the pure form ? At p. 165 of Schwann's work we read that in the fundamental phenomena attending the exertion of productive power in organic nature a structureless substance is present in the first instance, either around or in the interior of cells already existing; and cells are formed in it in accordance with certain laws, which cells become developed in various ways into the elementary parts of organisms. In respect to this cytoblastema, or amorphous Protoplasma der Rhizopoden, p. 63. t I'erhaps we should go further back to C. F. Wolff, who traced back the point of departure of all development, both animal and vegetable, to a clear, viscous, solidescible nutritive fluid possessed of no organization. Schwann's Cytoblastema. 25 substance, in which new cells are to be formed, he states that it may exist within ready-formed cells, and outside of them, before they are formed; that it is the matrix and also the nourishment of cells; that it draws its own nourishment from the blood, but that it differs chemically in different parts from that blood, although how that difference is produced he does not explain, for it is afterwards referred to the metabolic power of the future cell wall and nucleus. Moreover, the cytoblastema is said to possess vitality in various degrees, but that may also be totally destitute of it, as, for example, a boiled infusion of malt is said to be the cytoblast...
Book Synopsis Animal Micrology by : Michael Frederic Guyer
Download or read book Animal Micrology written by Michael Frederic Guyer and published by . This book was released on 1917 with total page 1894 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pamphlets on Protozoology (Kofoid Collection) by :
Download or read book Pamphlets on Protozoology (Kofoid Collection) written by and published by . This book was released on 1921 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Enzyklopadie Der Mikroskopischen Technik by :
Download or read book Enzyklopadie Der Mikroskopischen Technik written by and published by . This book was released on 1910 with total page 812 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index-catalogue of the Library of the Surgeon-general's Office, United States Army by : National Library of Medicine (U.S.)
Download or read book Index-catalogue of the Library of the Surgeon-general's Office, United States Army written by National Library of Medicine (U.S.) and published by . This book was released on 1908 with total page 958 pages. Available in PDF, EPUB and Kindle. Book excerpt: