Journal of Experimental Zoology, 1928, Vol. 15 (Classic Reprint) PDF Download
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Author: William Keith Brooks
Publisher: Forgotten Books
ISBN: 9780267975358
Category : Science
Languages : en
Pages : 622
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Book Description
Excerpt from Journal of Experimental Zoology, 1928, Vol. 15 Francis B. Sumner. The effects of atmospheric temperature upon the body temperature of mice. Three figures. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: William Keith Brooks
Publisher: Forgotten Books
ISBN: 9780267975358
Category : Science
Languages : en
Pages : 622
Get Book Here
Book Description
Excerpt from Journal of Experimental Zoology, 1928, Vol. 15 Francis B. Sumner. The effects of atmospheric temperature upon the body temperature of mice. Three figures. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: William Keith Brooks
Publisher: Forgotten Books
ISBN: 9781330354506
Category : Science
Languages : en
Pages : 619
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Book Description
Excerpt from Journal of Experimental Zoology, 1928, Vol. 15 Boveri ('02, '05) found that the size of the nuclei of the cells of sea urchin larvae is directly proportional to 'the number of chromosomes-which enter them, and that cells which contain small nuclei are below the normal size, because such cells divide more frequently than those with large nuclei. In a number of publications, the earliest of which appeared in 1890, Minot advanced the view that differentiation, senescence and death are concomitant with, and the result of, an increase in the proportion of cytoplasm to nucleus in cells. Minot holds that the egg, at the earliest stage of its development, is actually in a senile state in which there is an excessive amount of cytoplasm as compared with the nucleus. During the process of cleavage, however, this relation is reversed by a rapid increase in the nuclear material. Thus rejuvenation is brought about chiefly by the segmentation of the egg, and depends upon the increase of the nucleus; and senescence gradually appears as development proceeds on account of the increase of the cytoplasm which is necessary for the differentiation of the cells. He wrote ('97, p. 370): The animal, when it is young, has cells with a small amount of protoplasm... In order that perfection of the adult structure should be attained, it is necessary that the mere undifferentiated cells, each with a small body of protoplasm, should acquire first an increased amount of protoplasm, and then from the increased protoplasm should be taken the material to result in differentiation, in specialization. The increase of the protoplasm is ... the mark both of advancing organization and advancing age. In regard to the lower forms Minot says: If it be true that there is among Protozoa, among unicellular animals, anything comparable to the gradual decline in the growth power which occurs in us we shall expect it to be revealed in the condition of the cells to see in those cells which are old an increase in the proportion of protoplasm, and consequently a diminution in the relative amount of nucleus (p. 515). About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Ross G. (Ross Granville) Harrison
Publisher: Hardpress Publishing
ISBN: 9781314954456
Category :
Languages : en
Pages : 556
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Book Description
Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.
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ISBN:
Category : Zoology
Languages : en
Pages : 0
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Author: William Keith Brooks
Publisher: Arkose Press
ISBN: 9781345544176
Category :
Languages : en
Pages : 612
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
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Category : Zoology
Languages : en
Pages :
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Author: Ross G. Harrison
Publisher: Forgotten Books
ISBN: 9780267977109
Category : Science
Languages : en
Pages : 522
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Excerpt from The Journal of Experimental Zoology, 1921, Vol. 33 The following-experiments were carried out at the University of Chicago during the years 1917 to 1919. I am deeply indebted to Professor Lillie for his invaluable suggestions and criticisms during the course of the work and for his generosity in Supplying me with numerous materials used in the experiments. I also wish to express my thanks to Dr. L. H. Hyman for revising the manuscript. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: William Keith 1848-1908 Brooks
Publisher: Wentworth Press
ISBN: 9781374507890
Category : History
Languages : en
Pages : 514
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Wistar Institute of Anatomy and Biology
Publisher:
ISBN:
Category : Zoology
Languages : en
Pages :
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Author: William Keith Brooks
Publisher: Palala Press
ISBN: 9781341707360
Category :
Languages : en
Pages : 578
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
