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Embryonic stem cells --- Human embryo --- Embryo, Human --- Embryology, Human --- Research.

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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.

Embryology, Human --- Human embryo --- Developmental biology --- Development (Biology) --- Biology --- Growth --- Ontogeny --- Embryo, Human --- Human embryology --- Embryology --- Human biology --- Human reproduction

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Embryology, Human --- Human embryo --- Developmental biology --- Embryologie humaine --- Embryon humain --- Biologie du développement --- Embryo, Human --- Human embryology --- Embryology --- Human biology --- Human reproduction --- Development (Biology) --- Biology --- Growth --- Ontogeny

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Human embryo research touches upon strongly felt moral convictions, and it raises such deep questions about the promise and perils of scientific progress that debate over its development has become a moral and political imperative. From in vitro fertilization to embryonic stem cell research, cloning, and gene editing, Americans have repeatedly struggled with how to define the moral status of the human embryo, whether to limit its experimental uses, and how to contend with sharply divided public moral perspectives on governing science.Experiments in Democracy presents a history of American debates over human embryo research from the late 1960s to the present, exploring their crucial role in shaping norms, practices, and institutions of deliberation governing the ethical challenges of modern bioscience. J. Benjamin Hurlbut details how scientists, bioethicists, policymakers, and other public figures have attempted to answer a question of great consequence: how should the public reason about aspects of science and technology that effect fundamental dimensions of human life? Through a study of one of the most significant science policy controversies in the history of the United States, Experiments in Democracy paints a portrait of the complex relationship between science and democracy, and of U.S. society's evolving approaches to evaluating and governing science's most challenging breakthroughs.

Human embryo --- Stem cells --- Colony-forming units (Cells) --- Mother cells --- Progenitor cells --- Cells --- Embryo, Human --- Embryology, Human --- Research --- Government policy --- Moral and ethical aspects

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L'endomètre, ce remarquable tissu d'origine mésenchymateuse doté de plasticité et de mémoire, tissu cible hormono sensible mais aussi doué de sécrétions propres, rythme par ses remaniements perpétuels la vie de la femme. Son activité s'étend de la période pré pubertaire jusqu'à la ménopause... et au delà. Il joue un rôle clé dans la procréation. A chaque époque de la vie, il peut développer des pathologies et présenter des dysfonctionnements.Il réagit également aux agressions pathologiques qu'elles soient gynécologiques, générales, métaboliques, infectieuses ou environnementales, ainsi qu'à leur thérapeutique. La connaissance fine de son fonctionnement lors du cycle menstruel, de l'angiogenèse, de l'implantation et du développement embryonnaire, les avancées thérapeutiques de ses pathologies constituent un enjeu majeur de santé publique dans des domaines aussi sensibles que ceux de l'infertilité, des avortements à répétition, des ménométrorragies, du cancer....C'est, depuis neuf ans, le premier livre sur l'endomètre écrit en langue française qui touche à des domaines aussi variés de la recherche, de la biologie, de la clinique, de l'imagerie et de la thérapeutique lui conférant un caractère unique de référence. Ce livre a été conçu de façon collégiale par le Groupe d'Études et de Recherche sur l'Endomètre (GERE) et le Groupe de Recherche et d'Étude du Placenta (GREP), tous deux affiliés à la Société Française de Gynéco-Pathologie.

Endometrium --- Therapeutics --- Reproduction --- Endomètre --- Thérapeutique --- physiopathology --- Anatomie --- physiopathology. --- Therapeutics. --- Reproduction. --- Thérapeutique. --- Anatomie. --- Neovascularization --- Hormones --- Human embryo --- Catecholamines --- Endocrine glands --- Endocrinology --- Secretion --- Blood-vessels --- Mucous membrane --- Uterus --- Embryo, Human --- Embryology, Human --- Research. --- Diseases --- Growth --- Reproduction (biologie)