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The Journal Of Experimental Zoology 1921
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Book Synopsis The Journal of Experimental Zoology, 1921, Vol. 33 (Classic Reprint) by : Ross G. Harrison
Download or read book The Journal of Experimental Zoology, 1921, Vol. 33 (Classic Reprint) written by Ross G. Harrison and published by Forgotten Books. This book was released on 2018-02-06 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis The Journal of Experimental Zoology, 1921 by : Ross G. Harrison
Download or read book The Journal of Experimental Zoology, 1921 written by Ross G. Harrison and published by Forgotten Books. This book was released on 2015-06-25 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Journal of Experimental Zoology, 1921, Vol. 33 The study of the free-martin by F. R. Lilhe ('17 b) has thrown new light on the field of the biology of sex, demonstrating that sexual differentiation is controllable, at least to some extent, by a certain physiological factor. Lillie discovered that in the free-martin, the female of two-sexed twins in cattle, the sex-glands and sex-ducts are modified from the normal female condition to a sterile masculinized state; that in cattle twins an anastomosis of the umbilical blood-vessels exists between the two embryos, and that this anastomosis is responsible for the alteration of the female twin, the sex-hormones from the male twin being thus enabled to gain access to the female twin through the blood current and to produce a profound modification of her reproductive system. A histological study of the same material by Chapin ('17)supported Lillie's conclusion that the free-martin is a modified female. As Lillie suggested ('17 a), "the possibility exists, however, that definitely planned experiments may enable us to regulate time and dosage of hormones better than is done in this experiment of nature; the results of such experiments cannot of course be foreseen... Such experiments will be necessary for the full solution of the stated problem." I therefore, at Professor Lillie's suggestion, undertook to perform such a series of experiments for the purpose of determining whether or not sexual differentiation is experimentally controllable through the secretion of the sex-glands. Gonads were grafted on the membranes of developing chick embryos in relatively young stages; such embryos were then allowed to develop further, and in cases where the grafts grew, the urinogenital systems of the embryos were studied to determine what effects had been produced by the presence of the gonad grafts. The results of these experiments are presented in the present paper and others to appear subsequently. It has already been abundantly proved through numerous studies on birds and mammals that the sex-glands do produce a secretion or secretions which play an important role in the production and maintenance of secondary sexual characters. 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.
Book Synopsis The Journal of Experimental Zoology by :
Download or read book The Journal of Experimental Zoology written by and published by . This book was released on 1926 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Journal of Experimental Zoölogy, Vol. 32 by : Ross Granville Harrison
Download or read book The Journal of Experimental Zoölogy, Vol. 32 written by Ross Granville Harrison and published by Forgotten Books. This book was released on 2018-02-08 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Journal of Experimental Zoology, Vol. 32: January-April, 1921 Rule 2. An inverted bud (dorsoventral) gives rise to a limb of reversed asymmetry, whether implanted on the same or on the opposite side of the body. 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.
Book Synopsis The Journal Of Experimental Zoology; by : Ross Granville Harrison
Download or read book The Journal Of Experimental Zoology; written by Ross Granville Harrison and published by Wentworth Press. This book was released on 2019-03-24 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis The Journal of Experimental Zoölogy, Vol. 34 by : Ross G. Harrison
Download or read book The Journal of Experimental Zoölogy, Vol. 34 written by Ross G. Harrison and published by Forgotten Books. This book was released on 2017-12-23 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Journal of Experimental Zoology, Vol. 34: August-November, 1921 The concordance of results obtained by these various methods indicates clearly enough the existence of a definite gradation along the axes of organisms. The nature of this gradation is naturally open to discussion. Our explanation that the grada tion is primarily quantitative involving differences in the rate of fundamental metabolic reactions and in conditions associated with these is the only one that fits all of the facts at present known to us. 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.
Book Synopsis The Journal of Experimental Zoology by : Ross Granville Harrison
Download or read book The Journal of Experimental Zoology written by Ross Granville Harrison and published by . This book was released on 1905 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt: A separate section of the journal, Molecular and developmental evolution, is devoted to experimental approaches to evolution and development.
Author :Ross G. (Ross Granville) Harrison Publisher :Hardpress Publishing ISBN 13 :9781314954456 Total Pages :556 pages Book Rating :4.9/5 (544 download)
Book Synopsis The Journal of Experimental Zoology... by : Ross G. (Ross Granville) Harrison
Download or read book The Journal of Experimental Zoology... written by Ross G. (Ross Granville) Harrison and published by Hardpress Publishing. This book was released on 2013-12 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis The Journal of Experimental Zoology, Volume 17 by : William Keith Brooks
Download or read book The Journal of Experimental Zoology, Volume 17 written by William Keith Brooks and published by Arkose Press. This book was released on 2015-10-27 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Collected Papers written by and published by . This book was released on 1922 with total page 1218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Consists of reprints of articles from various journals.
Book Synopsis [The Journal of experimental zoology / Supplement ] ; The Journal of experimental zoology. Supplement by : [Anonymus AC01155020]
Download or read book [The Journal of experimental zoology / Supplement ] ; The Journal of experimental zoology. Supplement written by [Anonymus AC01155020] and published by . This book was released on 1987 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Journal of Experimental Zoology, Volume 11 by : William Keith Brooks
Download or read book The Journal of Experimental Zoology, Volume 11 written by William Keith Brooks and published by Palala Press. This book was released on 2016-05-24 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Collected Papers by : Johns Hopkins University. School of Hygiene and Public Health
Download or read book Collected Papers written by Johns Hopkins University. School of Hygiene and Public Health and published by . This book was released on 1922 with total page 1154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report by : University of Minnesota. President
Download or read book Report written by University of Minnesota. President and published by . This book was released on 1922 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Journal of Experimental Zoology, 1916, Vol. 21 (Classic Reprint) by : Ross Granville Harrison
Download or read book The Journal of Experimental Zoology, 1916, Vol. 21 (Classic Reprint) written by Ross Granville Harrison and published by Forgotten Books. This book was released on 2018-10-03 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Journal of Experimental Zoology, 1916, Vol. 21 The previous studies on the influence Of the nervous system upon regeneration have given very divergent results which can hardly be reconciled even when the fact that widely separated groups Of animals were used as the material for experimentation is taken into consideration. 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.
Book Synopsis JOURNAL OF EXPERIMENTAL ZOOLOG by : William Keith 1848-1908 Brooks
Download or read book JOURNAL OF EXPERIMENTAL ZOOLOG written by William Keith 1848-1908 Brooks and published by Wentworth Press. This book was released on 2016-08-27 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis The Journal of Experimental Zoology; by : William Keith Brooks
Download or read book The Journal of Experimental Zoology; written by William Keith Brooks and published by Wentworth Press. This book was released on 2019-03-24 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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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