Embryos Under The Microscope
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Embryos Under The Microscope
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Author : Jane Maienschein
language : en
Publisher: Harvard University Press
Release Date : 2014-05-20
Embryos Under The Microscope written by Jane Maienschein and has been published by Harvard University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-20 with Science categories.
Too tiny to see with the naked eye, the human embryo was just a hypothesis until the microscope made observation of embryonic development possible. This changed forever our view of the minuscule cluster of cells that looms large in questions about the meaning of life. Embryos under the Microscope examines how our scientific understanding of the embryo has evolved from the earliest speculations of natural philosophers to today’s biological engineering, with its many prospects for life-enhancing therapies. Jane Maienschein shows that research on embryos has always revealed possibilities that appear promising to some but deeply frightening to others, and she makes a persuasive case that public understanding must be informed by up-to-date scientific findings. Direct observation of embryos greatly expanded knowledge but also led to disagreements over what investigators were seeing. Biologists confirmed that embryos are living organisms undergoing rapid change and are not in any sense functioning persons. They do not feel pain or have any capacity to think until very late stages of fetal development. New information about DNA led to discoveries about embryonic regulation of genetic inheritance, as well as evolutionary relationships among species. Scientists have learned how to manipulate embryos in the lab, taking them apart, reconstructing them, and even synthesizing—practically from scratch—cells, body parts, and maybe someday entire embryos. Showing how we have learned what we now know about the biology of embryos, Maienschein changes our view of what it means to be alive.
Microscopic Images Of Human Sperm Oocytes And Embryos For Assisted Reproductive Technology Including Embryonic Stem Cells
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Author : Professor Arunachalam Henry Sathananthan
language : en
Publisher: Professor Arunachalam Henry Sathananthan
Release Date : 2014-12-29
Microscopic Images Of Human Sperm Oocytes And Embryos For Assisted Reproductive Technology Including Embryonic Stem Cells written by Professor Arunachalam Henry Sathananthan and has been published by Professor Arunachalam Henry Sathananthan this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-12-29 with Medical categories.
This Epub incorporates 37 years of embodied research at Monash & La Trobe Universities, Melbourne, by the author with his colleagues in Australia and overseas (England, Singapore, India, Sri Lanka, Italy & Japan).It is a multi-author, visual presentation of the microscopic structure of human oocytes, sperm and embryos in conjunction with clinical IVF and ART and includes embryonic stem cells, a logical extension of ART.Most of the images were taken with electron microscopes (TEM & SEM), light and phase microscopes (LM) and fluorescent microscopes (FM) with diagrams.Both published micrographs (from our atlases and journals) and also original unpublished micrographs are presented. The printed atlases were scanned and new material was provided on PPT, PDF & YouTube for EPub.The aim of this EPub is to make our research available online for clinicians, scientists & students and posterity. A. Henry Sathananthan (Adjunct Professor, Anatomy & Developmental Biology,Medical Faculty, Monash University, Australia)
Ultrastructure Of Reproduction
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Author : Jonathan van Blerkom
language : en
Publisher: Springer
Release Date : 2011-10-08
Ultrastructure Of Reproduction written by Jonathan van Blerkom and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-10-08 with Medical categories.
Advances in the development and application of electron microscopic techniques have occurred recently such that the electron microscope has evolved to become an essential tool in both basic and clinical research. Use of this instrument has contributed significantly to the formation of new perspectives and concepts concerning cell fine structure. These structural perspectives are now being integrated with specific functional, biochemical and pathophysiological events and processes of cells and tissues. Most recently, utilization of innovative electron microscopic techniques such as freeze-fracture, freeze etching, and scanning and high-voltage electron microscopy offers both the basic and clinical scientist potentially fundamental insights into many morphodynamic processes related to the activities of cells and tissues. Such an approach has been especially rewarding when applied to the dynamic events of gametogenesis and early embryonic development. The chapters comprising this book have been selected and edited with the aim of providing an up-to-date and comprehensive account of the most important aspects of vertebrate gamets and embryos as revealed by the integration of several different submicroscopic methods. The organization of the chapters is designed to indicate present gaps in our knowledge of the developmental and reproductive biology of gametes and the developing embryo and possible Iines of research which may lead to a lessening of these gaps.
Three Dimensional Analysis Of Light Microscope Images
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Author : André Verweij
language : en
Publisher:
Release Date : 1993
Three Dimensional Analysis Of Light Microscope Images written by André Verweij and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
The Anatomy Of The Human Embryo
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Author : Gerd Steding
language : en
Publisher: Karger Medical and Scientific Publishers
Release Date : 2009
The Anatomy Of The Human Embryo written by Gerd Steding and has been published by Karger Medical and Scientific Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Medical categories.
The present anatomical atlas concentrates on the early weeks of prenatal development of the human embryo. It comprises more than 800 scanning electron-microscopic pictures of specimens of exclusively human embryos. The three-dimensional appearing illustrations show the development of the external form of the face, neck, trunk and limbs. Besides, the brain and the viscera of the head, neck, thorax, abdomen and pelvis all dissected into layers are represented in their position and spatial form. The juxtaposition of pictures of temporally close developmental stages reveals the changes in the form of the organs. Photographs of the same organic system are usually shown at the same magnification and clearly demonstrate the growth process. Simple outline drawings provided with the principal nomenclature facilitate the orientation within the specimens. A brief introduction to each chapter explains the most significant developmental steps depicted. This atlas is of great interest not only to anatomists, embryologists, histologists and developmental biologists, but also to biologists, biochemists and geneticists. Moreover, it serves as a valuable reference book for clinicians such as gynecologists, obstetricians, pediatric surgeons and pediatric cardiologists.
Laboratory Outlines For The Study Of The Embryology Of The Chick And The Pig Classic Reprint
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Author : Frank R. Lillie
language : en
Publisher: Forgotten Books
Release Date : 2017-10-13
Laboratory Outlines For The Study Of The Embryology Of The Chick And The Pig Classic Reprint written by Frank R. Lillie and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-13 with Science categories.
Excerpt from Laboratory Outlines for the Study of the Embryology of the Chick and the Pig The methods of study employed in the follow ing outlines are (1) Study of the living embryo. (2) Study of the entire embryo, (a) as an opaque object with the dissecting microscope; (b) with the compound microscope, after killing, harden ing, staining, clearing, and mounting. (3) Study of embryos by dissection, especially in later stages. (4) Study of serial sections with the microscope. 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.
The Sea Urchin Embryo
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Author : G. Czihak
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Sea Urchin Embryo written by G. Czihak and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Sea urchin eggs are objects of wonder for the student who sees them for the first time under the microscope. The formation of the fertil ization membrane after insemination, the beauty of mitotic cleavage, the elegant swimming of embryos, remain an esthetic pleasure even for the eyes of seasoned investigators. But sea urchin eggs have other, more practical, advantages: they lend themselves to surgical operation without difficulty and they heal perfectly; they can be obtained in very large amounts and represent thus an extremely favorable material for biochemists and molecular embryologists. It is not surprising that, in view of these exceptional advantages, sea urchin eggs have attracted the interest of innumerable biologists since O. HERTWIG discovered the fusion of the pronuclei (amphimixy), in Paracentrotus lividus, almost a century ago. The purpose of the present book is to present, in a complete and orderly fashion, the enormous amount of information which has been gathered, in the course of a hun dred years of sea urchin embryology. JOSEPH NEEDHAM, in 1930, was still able to present all that was known, at that time, on the biochemistry of all possible species of developing eggs and embryos in his famous "Chemical Embryology" (Cambridge University Press) . It would no longer be possible for one man to write a modern version of what was a "Bible" for the young embryologists of forty years ago.
Embryos Under The Microscope
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Author : Jane Maienschein
language : en
Publisher: Harvard University Press
Release Date : 2014-05-20
Embryos Under The Microscope written by Jane Maienschein and has been published by Harvard University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-20 with Medical categories.
Jane Maienschein examines how understanding of embryos evolved from the speculations of natural philosophers to bioengineering, with its life-enhancing therapies. She shows that research on embryos has always seemed promising to some but frightening to others, and makes the case that public understanding must be informed by scientific findings.
Methods Of Research In Microscopical Anatomy And Embryology
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Author : Charles Otis Whitman
language : en
Publisher:
Release Date : 1885
Methods Of Research In Microscopical Anatomy And Embryology written by Charles Otis Whitman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1885 with Embryology categories.
The Anatomy Of The Human Embryo
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Author : G. Steding
language : en
Publisher:
Release Date : 2011
The Anatomy Of The Human Embryo written by G. Steding and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Medical categories.
The present anatomical atlas concentrates on the early weeks of prenatal development of the human embryo. It comprises more than 800 scanning electron-microscopic pictures of specimens of exclusively human embryos. The three-dimensional appearing illustrations show the development of the external form of the face, neck, trunk and limbs. Besides, the brain and the viscera of the head, neck, thorax, abdomen and pelvis - all dissected into layers - are represented in their position and spatial form. The juxtaposition of pictures of temporally close developmental stages reveals the changes in the form of the organs. Photographs of the same organic system are usually shown at the same magnification and clearly demonstrate the growth process. Simple outline drawings provided with the principal nomenclature facilitate the orientation within the specimens. A brief introduction to each chapter explains the most significant developmental steps depicted. This atlas is of great interest not only to anatomists, embryologists, histologists and developmental biologists, but also to biologists, biochemists and geneticists. Moreover, it serves as a valuable reference book for clinicians such as gynecologists, obstetricians, pediatric surgeons and pediatric cardiologists.