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Books > Medicine > Pre-clinical medicine: basic sciences > Human reproduction, growth & development > Reproductive medicine > Embryology
This comprehensive review of the factors that affect the harvesting and preparation of oocytes and the management of embryos will allow practitioners to make evidence-based decisions for successful IVF. The book reviews and re-considers the value of strategies and outcomes in the management of fertility and conception rates, centred on the production of oocytes, and successful development of the embryo. Authored by leading experts in the field, chapters engage with treatments and strategies that affect the production of oocytes and embryos, optimizing outcomes in the management of female fertility, conception rates, and live births. This vital guide covers controlled ovarian hyperstimulation, the role of AMH in determining ovarian reserve, and primary stimulation agents and the use of adjuncts. Integral for all clinicians and embryologists working in reproductive medicine units, readers are provided with evidence-based, comprehensive advice and review of all factors affecting the management of oocytes and the embryo that are vital for successful IVF cycles.
The Human Embryo in vitro explores the ways in which UK law engages with embryonic processes under the Human Fertilisation and Embryology Act 1990 (as amended), the intellectual basis of which has not been reconsidered for almost thirty years. McMillan argues that in regulating 'the embryo' - that is, a processual liminal entity in itself - the law is regulating for uncertainty. This book offers a fuller understanding of how complex biological processes of development and growth can be better aligned with a legal framework that purports to pay respect to the embryo while also allowing its destruction. To do so it employs an anthropological concept, liminality, which is itself concerned with revealing the dynamics of process. The implications of this for contemporary regulation of artificial reproduction are fully explored, and recommendations are offered for international regimes on how they can better align biological reality with social policy and law.
This thoroughly revised second edition is an up-to-date overview of the current knowledge of Notch and Notch signaling in embryology and cancer. It discusses this topic from Notch's role in the development of the embryo to the Notch signaling pathway's role in the development of a number of cancers, including breast cancer, malignant melanoma, Non-melanoma skin cancer, intestinal cancer and others. In the years since the previous edition, there have been numerous developments and insights within this rapidly moving field, making this new edition urgently needed. This volume also features discussions of current insights on Notch's role in senescence, the regulation of Notch signaling by microRNAs, Notch's role in the microbiome, diet and its influence on Notch signaling and more. Taken as a whole, with its companion books - Molecular Biology of Notch Signaling and Notch Signaling in Cancer - this is a definitive discussion of the topic, presented by internationally-recognized contributors. Presented in a coherent and accessible structure, this revised and updated second edition is an essential and up-to-date guide for oncologists, embryologists, researchers and advanced students.
The German verbs verwerfen, nicht implantieren or abtAten have the same denotations when used in reference to dealing with artificially-inseminated embryos; however, the meanings of these words are respectively different. The book examines, against the background of the debate about the introduction of pre-implantation diagnostics in Germany, the role of linguistic naminga " so-called thematizationsa " in the public sphere. The study shows that these thematizations not only reflect linguistic controversy, but at the same time, precisely mirror the current societal debates.
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.
First published in 1959 as the second edition of a 1934 original, this book describes the Western history of embryology from prehistoric concepts of foetal growth through Graeco-Roman antiquity to the close of the eighteenth century. The text is illustrated with plates and diagrams showing the development of scientific understanding over time, first through artistic representations of gestation and later through scientific drawings and sketches. This book will be of value to anyone with an interest in the history of medicine.
Founded in 1914, the Department of Embryology of the Carnegie Institution of Washington has made an unparalleled contribution to the biological understanding of embryos and their development. Originally much of the research was carried out through experimental embryology, but by the second half of the twentieth century, tissue and cell cultures were providing histological information about development, and biochemistry and molecular genetics have taken center stage. This final volume in a series of five histories of the Carnegie Institution of Washington provides a history of embryology and reproductive biology spanning a hundred years. It provides important insights into the evolution of both scientific ideas and the public perception of embryo research, concluding with a reflection on current debates.
Ume Eder Bat (A beautiful child) (popular song from Basque folklore) The aim of this monograph is to introduce the postnatal development of morphological features that are relevant to readers interested in the neurobiology and pathology of the hippocampal formation in terms of the complex phenomena that underlie the progressive anatomical and functional maturation of this brain region. This review focuses on the morphological aspects, while more detailed basic phenomena associated with neuronal maturation-which are undoubtedly also of great interest-are only marginally referred to, although a selection of behavioral and clinical aspects will also be briefly addressed in an attempt to illustrate real situations in different clinical specialties. The creation of this monograph is justified by the increasing importance and growing awareness shown in recent years of neurodevelopmental disorders in children. This awareness is leading to increasing refinement in clinical exami- tions of patients that may suffer from different neurodevelopment-related diseases, such as autism, epilepsy, memory disorders, etc. To the best of our knowledge, this work is the first comprehensive description of the postnatal changes in the hip- campal formation in its different constituent fields. Given the growing sensitivity and accuracy of neuroradiological examinations, particularly MRI, we also sought to offer a glimpse at the MRI aspects related to the development of the hippocampal formation in the human infant.
It is not okay to call something a miracle without even trying to understand it. This is human developmental biology (human embryology, in terms of cells and molecules) for everyone curious enough to see it through, from the perspective of the business of becoming human - as individuals and as species; making new humans; how it happens (cells do it, ALL of it); and common variations of the process.It cannot be made quite simple and be kept quite true, but we will move as far toward simple as we can without losing touch with sound evidence. Variations from the "normal" version of the process, particularly malformations and twinning and chimerism, figure prominently in the story because there is no better way to learn about the usual than to study the unusual and see what differences in the endings these observable differences at the beginnings can make.In this book, when technical terminology is the only way, or the best way, to say what needs to be said, it is defined and explained - making the words a worthwhile part of what is here to be learned.This book defines its own new field. We cannot claim to understand how anything [human] works [as human], with no effort at understanding the emergence of its form and functions. Old and new unanswered questions are waiting to be dug out from under old unquestioned answers about how becoming human unfolds. We will also address some popular and weighty, but deeply empty assertions about the circumstances and mechanisms of our beginnings and our ceaseless becoming. We will find fundamental questions from 'the humanities' unanswerable except from biology. Human developmental biology is a foundational discipline within the humanities.
Public attention on embryo research has never been greater. Modern reproductive medicine technology and the use of embryos to generate stem cells ensure that this will continue to be a topic of debate and research across many disciplines. This multidisciplinary book explores the concept of a 'healthy' embryo, its implications on the health of children and adults, and how perceptions of what constitutes child and adult health influence the concept of embryo 'health'. The concept of human embryo health is considered from preconception to pre-implantation genetic diagnosis to recent foetal surgical approaches. Burgeoning capacities in both genetic and reproductive science and their clinical implications have catalysed the necessity to explore the concept of a 'healthy' embryo. The authors are from five countries and 13 disciplines in the social sciences, humanities, biological sciences and medicine, ensuring that the book has a broad coverage and approach.
The increasing understanding of individual differences in response to in-vitro fertilization (IVF) treatment, resulting from genetic and ethnical differences, has increased the potential for individualized treatment for patients, resulting in improved pregnancy and live-birth outcomes. This illustrated book summarizes, and provides updates on, the most recent developments in individualized infertility treatment and embryo selection techniques. Individualization is not only confined to the different steps in the ovarian stimulation process and the luteal phase support, but also to embryo selection techniques, which include, among others, the analysis of embryo development pattern and genetic testing. Chapters cover a multitude of topics, ranging from oocyte maturation and immunological testing to fertilization technique in the IVF laboratory and preparation for optimal endometrial receptivity in cryo cycles. Essential reading for IVF specialists and embryologists in IVF Clinics and also an important text for medical consultants specializing in reproductive medicine, gynecology and embryology.
This new handbook provides private-practice and hospital gynecologists with a practical guide for advising and treating patients in the case of maternal disease during pregnancy. More than 100 diagnoses are presented from A to Z and described with respect to disease definition, clinical care and obstetrical management. One easy-to-remember guideline summarizes what is most important for the treatment of each disease.
For around half of the couples who have trouble conceiving the cause of infertility is sperm-related. Intracytoplasmic sperm injection (ICSI) is the most common and successful treatment for male infertility. Here, the pioneers for the technique, along with authorities in the field, describe the underlying science of ICSI and other micromanipulation techniques. Practical advice for performing the techniques is covered in depth, including sperm selection, laser-assisted ICSI, and the use of piezo in ICSI. Examining the safety of ICSI in animal models as well as the impact of ICSI on the health and well-being of the children conceived through the procedure is discussed. This manual is an essential resource for clinical embryologists and laboratory personnel wishing to refine or develop techniques and improve outcomes.
Scientists and philosophers have long struggled to answer the questions of when human life begins and when human life has inherent value. The phenomenon of identical (monozygotic) twinning presents a significant challenge to the view that human life and human personhood begin at conception. The fact that a single embryo can split to generate two (or more) genetically identical embryos seems to defy the notion that prior to splitting an embryo can be a single human individual. In Untangling Twinning, Maureen Condic looks at the questions raised by human twinning based on a unique synthesis of molecular developmental biology and Aristotelian philosophy. She begins with a brief historical analysis of the current scientific perspective on the embryo and proceeds to address the major philosophic and scientific concerns regarding human twinning and embryo fusion: Is the embryo one human or two (or even more)? Does the original embryo die, and if not, which of the twins is the original? Who are the parents of the twins? What do twins, chimeras, cloning, and asexual reproduction in humans mean? And what does the science of human embryology say about human ensoulment, human individuality, and human value? Condic's original approach makes a unique contribution to the discussion of human value and human individuality, and offers a clear, evidence-based resolution to questions raised by human twinning. The book is written for students and scholars of bioethics, scientists, theologians, and attorneys who are involved in questions surrounding the human embryo.
Biopolitics and posthumanism have been passe theories in the academy for a while now, standing on the unfashionable side of the fault line between biology and liberal thought. These days, if people invoke them, they do so a bit apologetically. But, as Ruth Miller argues, we should not be so quick to relegate these terms to the scholarly dustbin. This is because they can help to explain an increasingly important (and contested) influence in modern democratic politicsthat of nostalgia. Nostalgia is another somewhat embarrassing concept for the academy. It is that wistful sense of longing for an imaginary and unitary past that leads to an impossible future. And, moreover for this book, it is ordinarily considered bad for democracy. But, again, Miller says, not so fast. As she argues in this book, nostalgia is the mode of engagement with the world that allows thought and life to coexist, productively, within democratic politics. Miller demonstrates her theory by looking at nostalgia as a nonhuman mode of thought, embedded in biopolitical reproduction. To put this another way, she looks at mass democracy as a classically nonhuman affair and nostalgic, nonhuman reproduction as the political activity that makes this democracy happen. To illustrate, Miller draws on the politics surrounding embryos and the modernization of the Turkish alphabet. Situating this argument in feminist theories of biopolitics, this unusual and erudite book demonstrates that nostalgia is not as detrimental to democratic engagement as scholars have claimed.
Intimate and medicalized, natural and technological, reproduction poses some of the most challenging ethical dilemmas of our time. Reproduction presses the boundaries of humanity and ethical respect, the permissible limits of technology, conscientious objection by health care professionals, and social justice. This volume brings together scholars from multiple perspectives to address both traditional and novel questions about the rights and responsibilities of human reproducers, their caregivers, and the societies in which they live. Among issues treated in the volume are what it is to be a parent, the responsibilities of parents, and the role of society in facilitating or discouraging parenting. May gamete donors be anonymous? Is surrogacy in which a woman gestates a child for others ethically permissible when efforts are made to prevent coercion or exploitation? Should it be mandatory to screen newborns for potentially serious conditions, or permissible to sequence their genomes? Are both parties to a reproductive act equally responsible to support the child, even if one deceived the other? Are there ethical asymmetries between male and female parents, and is the lack of available contraceptives for men unjust? Should the costs of infertility treatment be socially shared, as they are for other forms of health care? Do parents have a duty to try to conceive children under the best circumstances they can - or to avoid conception if the child will suffer? What is the status of the fetus and what ethical limits constrain the use of fetal tissue? Reproduction is a rapidly changing medical field, with novel developments such as mitochondrial transfer or uterine transplantation occurring regularly. And there are emerging natural challenges, too, like the Zika virus. The volume gives readers tools not only to address the problems we now know, but ones that may emerge in the future as well.
The success of Assisted Reproductive Technology is critically dependent upon the use of well optimized protocols, based upon sound scientific reasoning, empirical observations and evidence of clinical efficacy. Recently, the treatment of infertility has experienced a revolution, with the routine adoption of increasingly specialized molecular biological techniques and advanced methods for the manipulation of gametes and embryos. This textbook - inspired by the postgraduate degree program at the University of Oxford - guides students through the multidisciplinary syllabus essential to ART laboratory practice, from basic culture techniques and micromanipulation to laboratory management and quality assurance, and from endocrinology to molecular biology and research methods. Written for all levels of IVF practitioners, reproductive biologists and technologists involved in human reproductive science, it can be used as a reference manual for all IVF labs and as a textbook by undergraduates, advanced students, scientists and professionals involved in gamete, embryo or stem cell biology.
Selecting the best embryo to transfer to the uterus is key to successful in vitro fertilization (IVF). A huge amount of research has been devoted to this topic and there are numerous methods used, from simple morphological assessment to molecular biological techniques to assess the genome and metabolism of the newly fertilized embryo. For many of these techniques, an adequate evidence base is lacking, and expert opinion is valuable. Clinical imperatives require ranking all embryos in a cohort according to their viability, thereby enabling the selection of the best embryo to optimize live birth outcome: a key indicator used to measure and rate IVF Clinics worldwide. This clear and informative manual will provide embryologists and clinicians with an overview of the tools now available to assist in embryo selection, as well as evidence for their efficacy and safety and the broader considerations that must underlie these important clinical decisions.
A basic understanding of human genetics is vital for all those working in the field of assisted human reproduction. Genetic makeup can hamper reproduction and insight into this is making genetic diagnosis and counselling increasingly important. This fully updated textbook continues the clear structure of the original edition, beginning with a chapter on the basics of genetics and cytogenetics. Genetic causes of infertility and the effect of epigenetics and transposons on fertility are discussed in detail. Several new chapters are included in this edition, reflecting the advances of the field, including preconception genetic analysis and screening in IVF and mitochondrial genetics. Combining genetics, reproductive biology and medicine, this is an essential text for practitioners in reproductive medicine and geneticists involved in the field looking to improve their knowledge of the subject and provide outstanding patient care.
Asserting that there are many more organic codes in nature than just the genetic code, Marcello Barbieri states that the existence of these codes and their corresponding organic memories can be used to explain the key steps in the evolutionary history of life. With major events corresponding to the appearance of new codes, the organic codes and their corresponding organic memories can also shed new light on the problems of epigenesis and how embryos generate their own complexity. |
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