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Author: T.V.N. Persaud
Publisher: Springer Science & Business Media
ISBN: 9401159106
Category : Science
Languages : en
Pages : 240
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Book Description
The study of birth defects has assumed an importance even greater now than in the past because mortality rates attributed to congenital anomalies have declined far less than those for other causes of death, such as infectious and nutritional diseases. It is estimated that as many as 50% of all pregnancies terminate as miscarriages. In the majority of cases this is the result of faulty development. Major congenital malformations are found in at least 2% of all liveborn infants, and 22% of all stillbirths and infant deaths are associated with severe congenital anomalies. Teratological studies of an experimental nature are neither ethical nor justifiable in humans. Numerous investigations have been carried out in laboratory animals and other experimental models in order to improve our understanding of abnormal intra-uterine development. In less than two decades the field of experimental teratology has advanced phenomenally. As a result of the wide range of information that is now accumulating, it has become possible to obtain an insight into the causes, mechanisms and prevention of birth defects. However, considerable work will be needed before these problems can be resolved. This book brings together some of the more recent and important research findings related to the mechanisms and pathogenesis of abnormal develop ment. It is not only a documentation of the latest experimental work, but it also points out future directions that seem productive and challenging.
Author: T.V.N. Persaud
Publisher: Springer Science & Business Media
ISBN: 9401159106
Category : Science
Languages : en
Pages : 240
Get Book Here
Book Description
The study of birth defects has assumed an importance even greater now than in the past because mortality rates attributed to congenital anomalies have declined far less than those for other causes of death, such as infectious and nutritional diseases. It is estimated that as many as 50% of all pregnancies terminate as miscarriages. In the majority of cases this is the result of faulty development. Major congenital malformations are found in at least 2% of all liveborn infants, and 22% of all stillbirths and infant deaths are associated with severe congenital anomalies. Teratological studies of an experimental nature are neither ethical nor justifiable in humans. Numerous investigations have been carried out in laboratory animals and other experimental models in order to improve our understanding of abnormal intra-uterine development. In less than two decades the field of experimental teratology has advanced phenomenally. As a result of the wide range of information that is now accumulating, it has become possible to obtain an insight into the causes, mechanisms and prevention of birth defects. However, considerable work will be needed before these problems can be resolved. This book brings together some of the more recent and important research findings related to the mechanisms and pathogenesis of abnormal develop ment. It is not only a documentation of the latest experimental work, but it also points out future directions that seem productive and challenging.
Author: T.V.N. Persaud
Publisher: Springer
ISBN: 9789401159111
Category : Science
Languages : en
Pages : 240
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Book Description
The study of birth defects has assumed an importance even greater now than in the past because mortality rates attributed to congenital anomalies have declined far less than those for other causes of death, such as infectious and nutritional diseases. It is estimated that as many as 50% of all pregnancies terminate as miscarriages. In the majority of cases this is the result of faulty development. Major congenital malformations are found in at least 2% of all liveborn infants, and 22% of all stillbirths and infant deaths are associated with severe congenital anomalies. Teratological studies of an experimental nature are neither ethical nor justifiable in humans. Numerous investigations have been carried out in laboratory animals and other experimental models in order to improve our understanding of abnormal intra-uterine development. In less than two decades the field of experimental teratology has advanced phenomenally. As a result of the wide range of information that is now accumulating, it has become possible to obtain an insight into the causes, mechanisms and prevention of birth defects. However, considerable work will be needed before these problems can be resolved. This book brings together some of the more recent and important research findings related to the mechanisms and pathogenesis of abnormal develop ment. It is not only a documentation of the latest experimental work, but it also points out future directions that seem productive and challenging.
Author: V. Kolb Meyers
Publisher: Elsevier
ISBN: 0080874908
Category : Medical
Languages : en
Pages : 485
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Book Description
This multi-author work deals with the practical aspects of teratogens - chemicals which cause birth defects. It is designed for use as a unique guide to these chemicals in which one can find all relevant information. The issues covered include: how to obtain information about the teratogenic potential of chemicals; teratogenic chemicals in undergraduate chemistry laboratories; safe handling of teratogenic chemicals; teratogenicity of pesticides and other pollutants in the environment; occupational exposure and pregnancy outcome; identification and prevention of reproductive hazards in industry; and the long-term effects of chemicals on the developing brain. A list of approximately 5,000 chemicals known to cause reproductive effects is given. A comprehensive bibliography is included with each chapter providing up-to-date references for more in-depth coverage. The monograph will be of interest to academic and industrial chemists, health professionals, as well as both undergraduate and graduate students in health and related sciences.
Author: Thomas H. Shepard
Publisher: JHU Press
ISBN: 9780801879531
Category : Teratogenic agents
Languages : en
Pages : 564
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Book Description
Links information on experimental teratogenic agents with the congenital defects in human beings.
Author: Edith Louise Potter
Publisher: Mosby
ISBN:
Category : Medical
Languages : en
Pages : 1074
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Book Description
This comprehensive reference addresses all aspects of fetal and neonatal pathology, including complicated pregnancies, multiple pregnancies, abortion, placental pathology, and disorders affecting the full-term neonate. A consistent organization allows for quick access to specific guidance, and nearly 2,500 illustrations - 2,350 in full color - depict conditions and abnormalities as they present in practice, facilitating diagnosis. An Image Bank on CD-ROM - new to this edition - features all of the illustrations from the 2-volume set, downloadable for presentations. Offers comprehensive coverage of all common and rare embryonic, fetal, and infant disorders in one source. Correlates clinical, pathologic, and genetic findings for each systemic disease. Emphasizes the genetic and molecular basis of birth defects. Features nearly 2,500 illustrations - 2,350 in full color - which depict each abnormality or condition as they present in practice. Presents practical information on autopsy techniques and protocols. Provides the latest guidance on molecular pathology, immunohistochemistry, DNA technology, and more. Offers an expanded discussion of developmental biology related to the pathogenesis of birth defects. Features user-friendly summary tables and diagnostic flow charts, making information quick and easy to find. Includes a CD-ROM featuring all of the illustrations from the 2-volume set.
Author: James Graves Wilson
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 328
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Book Description
Author: Theodore P. Beauchaine
Publisher: Oxford University Press, USA
ISBN: 0199324670
Category : Medical
Languages : en
Pages : 545
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Book Description
The Oxford Handbook of Externalizing Spectrum Disorders is the first book of its kind to capture the developmental psychopathology of externalizing spectrum disorders by examining causal factors across levels of analysis and developmental epochs, while departing from the categorical perspective.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309070864
Category : Nature
Languages : en
Pages : 348
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Book Description
Scientific Frontiers in Developmental Toxicology and Risk Assessment reviews advances made during the last 10-15 years in fields such as developmental biology, molecular biology, and genetics. It describes a novel approach for how these advances might be used in combination with existing methodologies to further the understanding of mechanisms of developmental toxicity, to improve the assessment of chemicals for their ability to cause developmental toxicity, and to improve risk assessment for developmental defects. For example, based on the recent advances, even the smallest, simplest laboratory animals such as the fruit fly, roundworm, and zebrafish might be able to serve as developmental toxicological models for human biological systems. Use of such organisms might allow for rapid and inexpensive testing of large numbers of chemicals for their potential to cause developmental toxicity; presently, there are little or no developmental toxicity data available for the majority of natural and manufactured chemicals in use. This new approach to developmental toxicology and risk assessment will require simultaneous research on several fronts by experts from multiple scientific disciplines, including developmental toxicologists, developmental biologists, geneticists, epidemiologists, and biostatisticians.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309037891
Category : Science
Languages : en
Pages : 623
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Book Description
This book describes hazards from radon progeny and other alpha-emitters that humans may inhale or ingest from their environment. In their analysis, the authors summarize in one document clinical and epidemiological evidence, the results of animal studies, research on alpha-particle damage at the cellular level, metabolic pathways for internal alpha-emitters, dosimetry and microdosimetry of radionuclides deposited in specific tissues, and the chemical toxicity of some low-specific-activity alpha-emitters. Techniques for estimating the risks to humans posed by radon and other internally deposited alpha-emitters are offered, along with a discussion of formulas, models, methods, and the level of uncertainty inherent in the risk estimates.
Author: Victor Kuete
Publisher: Elsevier
ISBN: 0128004754
Category : Medical
Languages : en
Pages : 742
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Book Description
Toxicological Survey of African Medicinal Plants provides a detailed overview of toxicological studies relating to traditionally used medicinal plants in Africa, with special emphasis on the methodologies and tools used for data collection and interpretation. The book considers the physical parameters of these plants and their effect upon various areas of the body and human health, including chapters dedicated to genotoxicity, hepatotoxicity, nephrotoxicity, cardiotoxicity, neurotoxicity, and specific organs and systems.Following this discussion of the effects of medicinal plants is a critical review of the guidelines and methods in use for toxicological research as well as the state of toxicology studies in Africa. With up-to-date research provided by a team of experts, Toxicological Survey of African Medicinal Plants is an invaluable resource for researchers and students involved in pharmacology, toxicology, phytochemistry, medicine, pharmacognosy, and pharmaceutical biology. Offers a critical review of the methods used in toxicological survey of medicinal plants Provides up-to-date toxicological data on African medicinal plants and families Serves as a resource tool for students and scientists in the various areas of toxicology
