Gametes The Oocyte
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Gametes The Oocyte
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Author : Jurgis Gediminas Grudzinskas
language : en
Publisher: Cambridge University Press
Release Date : 1995-07-28
Gametes The Oocyte written by Jurgis Gediminas Grudzinskas and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-07-28 with Medical categories.
This volume, and its companion volume on the spermatozoon, provide an authoritative and wide ranging account of the gametes and their reproductive role and function in humans. Acknowledged authorities from around the world contribute a detailed and timely account of the oocyte. The volume starts with an evolutionary perspective before focusing on the molecular and cellular biology of the oocyte and its structure and function. The development and maturation of the oocyte is fully dealt with to include the endocrine and paracrine regulation of ovarian function. Practical issues such as oocyte storage and ovarian stimulation are also fully covered. The causes of female infertility are also an important theme. The volume concludes with a thought provoking chapter on ethical considerations. The volume will be an essential source of information for all clinicians and scientists with an interest in human reproduction.
A Practical Guide To Selecting Gametes And Embryos
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Author : Markus Montag
language : en
Publisher: CRC Press
Release Date : 2014-06-16
A Practical Guide To Selecting Gametes And Embryos written by Markus Montag and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-16 with Medical categories.
Among the many recent advances in assisted reproduction therapies (ART), improved technologies for identifying viable oocytes, sperm, and embryos are of primary importance. Paradoxically, the latest advances presented at conferences and symposia are often slow to become part of the daily routine in IVF laboratories. Detailing established and developing techniques, A Practical Guide to Selecting Gametes and Embryos provides a user-friendly text of ready-to-use ARTs that can be utilized effectively in the lab. In this volume, renowned embryologist and educator Markus Montag and his expert panel highlight sophisticated and proven selection strategies and emphasize the importance of proper lab practice in handling gametes and embryos. Topics include: Steps undertaken for the analysis of a semen sample Quality control and prevention of exposure to toxins in oocyte collection and embryo culture Morphological selection of gametes and embryos Both commonly used and innovative techniques for gamete and embryo selection, such as oxygen respiration and time-lapse imaging Invasive techniques, including polar body, embryo, and blastocyst biopsies as well as aneuploidy testing by FISH and array-CGH Accompanied by numerous figures and descriptions, this guide to selecting gametes and embryos brings the insight of international authors with knowledge and expertise, highlighting practical tips and key points. The book offers a starting point for applying successful selection strategies for reducing the rate of high-risk multiple gestations while maintaining or increasing viable pregnancy rates.
Gametes The Spermatozoon
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Author : Jurgis Gediminas Grudzinskas
language : en
Publisher: Cambridge University Press
Release Date : 1995-09-07
Gametes The Spermatozoon written by Jurgis Gediminas Grudzinskas and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-09-07 with Medical categories.
This is detailed, comprehensive and timely account of the spermatozoon and its reproductive function.
Cryopreservation Of Mammalian Gametes And Embryos
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Author : Zsolt Peter Nagy
language : en
Publisher: Humana Press
Release Date : 2017-04-26
Cryopreservation Of Mammalian Gametes And Embryos written by Zsolt Peter Nagy and has been published by Humana Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-04-26 with Science categories.
This volume provides a comprehensive and technical presentation of numerous aspects of reproductive cell tissue cryopreservation, and presents readers with current procedures and detailed discussions of novel techniques and the latest innovations. The chapters in this book are divided into five parts and cover subjects such as: immature oocyte cryopreservation, human sperm vitrification and slow-freezing, directional freezing of ovarian tissue, automated vitrification systems, and detailed protocols on popular and commercially available cryopreservation/vitrification systems. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Cutting-edge and practical, Cryopreservation of Mammalian Gametes and Embryos: Methods and Protocols includes chapters written by leading experts in the field and is a valuable resource for anyone interested in the field of cryopreservation.
Germ Cell Protocols
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Author : Heide Schatten
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-02-03
Germ Cell Protocols written by Heide Schatten 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 2008-02-03 with Science categories.
All sexually reproducing organisms produce primordial germ cells, a small population of cells that differentiate into gametes of either sex and carry to- potency, an ability to develop into an entire new organism. The study of germ cells has undergone enormous advances in recent years and has entered into an explosive phase of new discoveries with the introduction of transgenic te- nologies and nuclear cloning. Basic knowledge and techniques developed for lower vertebrate and invertebrate systems have facilitated the study of higher vertebrates, including humans. Many experiments that have first been performed on lower vertebrates provided the tools and strategies that could later be applied to other less readily available mammalian systems. The discovery of centrosomes in ascidians and sea urchin eggs now benefits studies of fertility and infertility in mammals. External in vitro fertilization, now a common technique in assisted fertilization, has only been possible as a result of numerous studies in lower systems in which external fertilization is natural. Egg activation, first explored in sea urchin and ascidian eggs, now benefits techniques designed to increase cl- ing efficiency in farm and domestic animals. Gene manipulations and molecular methods have added to the possibilities of producing live offspring with en- mous biomedical, ecological, and economic implications. The two volumes on germ cells combine techniques in a variety of d- ferent systems; we have selected those systems that have provided landmarks in advancing our knowledge on germ cells.
Gamete Physiology
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Author : Ricardo H. Asch
language : en
Publisher: Serono Symposia USA, Incorporated
Release Date : 1990
Gamete Physiology written by Ricardo H. Asch and has been published by Serono Symposia USA, Incorporated this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Science categories.
Fertilization In Animals
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Author : Brian Dale
language : en
Publisher: Hodder Education
Release Date : 1983
Fertilization In Animals written by Brian Dale and has been published by Hodder Education this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Conception categories.
Oocyte growth; Oocyte maturation; Activation of the spermatozoon; Activation of the oocyte; Early cleavage; Other forms of reproduction.
Signaling Mediated Control Of Cell Division
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Author : Swathi Arur
language : en
Publisher: Springer
Release Date : 2017-02-28
Signaling Mediated Control Of Cell Division written by Swathi Arur and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02-28 with Science categories.
This volume covers the current knowledge base on the role of signaling and environmental pathways that control the normal development of germline stem cells, meiotic progression of oocytes, events of oocyte maturation and fertilization, and the birth of an embryo. Germ cells are uniquely poised to sustain life across generations through the fusion of oocyte and sperm. Because of the central importance of germ cells to life, much work has been dedicated to obtaining a clear understanding of the molecular and signaling events that control their formation and maintenance. Germ cells are set aside from somatic cells in the embryo and go through specialized meiotic cell cycles as the animal matures. These cell cycles are interspersed with long periods of arrest. In human females, meiosis I is initiated in the fetus. At birth, oocytes are arrested in meiosis I; after puberty, every month an oocyte initiates meiosis II – ovulation. Upon sperm availability these cells are fertilized, generate an embryo, and the cycle-of-life continues. During meiotic I progression and arrest, the fitness of oocytes and their progeny are likely influenced by environmental cues and signaling pathways. A lot of recent work has focused on understanding the mechanisms that regulate oocyte fitness and quality in humans and vertebrates. Much of our understanding on the events of meiosis I and germline stem cell populations comes from work in invertebrates, wherein the germline stem cells produce oocytes continuously through adult development. In both inverbrates and vertebrates nutritional and signaling pathways control the regulation of stem cells in such a manner so as to couple production of gametes with the nutritional availability. Additionally, mature oocytes arrest both in meiosis I and meiosis II, and signaling and nutritional pathways have been shown to regulate their formation, and maintenance, such that despite long periods of arrest, the oocyte quality is assured and errors in chromosome segregation and varied cytoplasmic events are minimal.
Molecular Biology Of The Cell
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Author : Bruce Alberts
language : en
Publisher:
Release Date : 2002
Molecular Biology Of The Cell written by Bruce Alberts and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Cytology categories.
Fertilization
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Author : Brian Dale
language : en
Publisher: Cambridge University Press
Release Date : 2018-09-13
Fertilization written by Brian Dale and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-13 with Medical categories.
Charts the fascinating interaction of specialized gamete cells, forming the early embryo and a blueprint of new life.