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Author : N. G. Lepori
Publisher :
ISBN 13 :
Total Pages : 366 pages
Book Rating : 4.:/5 (311 download)
Download or read book Sex Differentiation, Hermaphroditism, and Intersexuality in Vertebrates Including Man written by N. G. Lepori and published by . This book was released on 1980 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. N. Armstrong
Publisher :
ISBN 13 :
Total Pages : 502 pages
Book Rating : 4.3/5 (91 download)
Download or read book Intersexuality in Vertebrates Including Man written by C. N. Armstrong and published by . This book was released on 1964 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. Reinboth
Publisher : Springer Science & Business Media
ISBN 13 : 364266069X
Total Pages : 464 pages
Book Rating : 4.6/5 (426 download)
Download or read book Intersexuality in the Animal Kingdom written by R. Reinboth and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: When Richard Goldschmidt' coined the term "intersexuality" in 1915, he intended it to apply to normally dioecious species which exhibit some kind of mixture between male and female characters. However, as knowledge of the bewildering variability present in the sexual orga nization of members of the animal kingdom has increased, the original meaning of the word has changed. Today many authors define inter sexuality as "the presence of both male and female characteristics, or of intermediate sexual characteristics, in a single individual".2 This more extensive and widely accepted concept justifies the title of our book •. Among all the anatomical and physiological features of living organisms the reproductive system has a unique importance for the perpetuation of the species. Conversely, reproductive processes are of little or no account for the viability of the individual. Therefore, within the framework of general biology reproduction has all too often been looked at solely from the point of view of genetics. Lively discussions about genotypic versus phenotypic sex determination long dominated the sci entific literature on sexuality in animals; this one-sided emphasis has tended to obscure many important facets of an organism's ability to reproduce. Recent developments in current biological research have brought the classic problem of sex differentiation into focus again, and the rapid progress being made in comparative endocrinology has added a new di mension to the study of reproductive biology.
Author : R. H. F. Hunter
Publisher : Cambridge University Press
ISBN 13 : 9780521462181
Total Pages : 360 pages
Book Rating : 4.4/5 (621 download)
Download or read book Sex Determination, Differentiation and Intersexuality in Placental Mammals written by R. H. F. Hunter and published by Cambridge University Press. This book was released on 1995-03-09 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: How do males become male and females become female? And what are the consequences if the decision is not incisive? Drawing upon interests in animal genetics and molecular biology, the author endeavours to answer these difficult yet fascinating questions. Originally published in 1995, this book describes the genetic determination of sex and examines how sexual organs are differentiated. Using examples of intersexuality, chimaeras and asymmetries, the book describes the underlying molecular basis of sex determination and sexual differentiation, and focuses on the critical role of the rate of embryonic development in these vital processes. Male precocity is a recurrent theme, as is the involvement of Sertoli cells and their secretion of anti-Müllerian hormone. An invaluable book for reproductive physiologists, geneticists and developmental biologists whose interests may extend from animal science through veterinary medicine to human clinical medicine.
Author : Alice Domurat Dreger
Publisher : Harvard University Press
ISBN 13 : 0674034333
Total Pages : 285 pages
Book Rating : 4.6/5 (74 download)
Download or read book Hermaphrodites and the Medical Invention of Sex written by Alice Domurat Dreger and published by Harvard University Press. This book was released on 2009-07-01 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Punctuated with remarkable case studies, this book explores extraordinary encounters between hermaphrodites--people born with "ambiguous" sexual anatomy--and the medical and scientific professionals who grappled with them. Alice Dreger focuses on events in France and Britain in the late nineteenth century, a moment of great tension for questions of sex roles. While feminists, homosexuals, and anthropological explorers openly questioned the natures and purposes of the two sexes, anatomical hermaphrodites suggested a deeper question: just how many human sexes are there? Ultimately hermaphrodites led doctors and scientists to another surprisingly difficult question: what is sex, really? Hermaphrodites and the Medical Invention of Sex takes us inside the doctors' chambers to see how and why medical and scientific men constructed sex, gender, and sexuality as they did, and especially how the material conformation of hermaphroditic bodies--when combined with social exigencies--forced peculiar constructions. Throughout the book Dreger indicates how this history can help us to understand present-day conceptualizations of sex, gender, and sexuality. This leads to an epilogue, where the author discusses and questions the protocols employed today in the treatment of intersexuals (people born hermaphroditic). Given the history she has recounted, should these protocols be reconsidered and revised? A meticulously researched account of a fascinating problem in the history of medicine, this book will compel the attention of historians, physicians, medical ethicists, intersexuals themselves, and anyone interested in the meanings and foundations of sexual identity.
Author : Institute of Medicine
Publisher : National Academies Press
ISBN 13 : 0309132975
Total Pages : 287 pages
Book Rating : 4.3/5 (91 download)
Download or read book Exploring the Biological Contributions to Human Health written by Institute of Medicine and published by National Academies Press. This book was released on 2001-07-02 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: It's obvious why only men develop prostate cancer and why only women get ovarian cancer. But it is not obvious why women are more likely to recover language ability after a stroke than men or why women are more apt to develop autoimmune diseases such as lupus. Sex differences in health throughout the lifespan have been documented. Exploring the Biological Contributions to Human Health begins to snap the pieces of the puzzle into place so that this knowledge can be used to improve health for both sexes. From behavior and cognition to metabolism and response to chemicals and infectious organisms, this book explores the health impact of sex (being male or female, according to reproductive organs and chromosomes) and gender (one's sense of self as male or female in society). Exploring the Biological Contributions to Human Health discusses basic biochemical differences in the cells of males and females and health variability between the sexes from conception throughout life. The book identifies key research needs and opportunities and addresses barriers to research. Exploring the Biological Contributions to Human Health will be important to health policy makers, basic, applied, and clinical researchers, educators, providers, and journalists-while being very accessible to interested lay readers.
Author : Anne E. Linton
Publisher : Cambridge University Press
ISBN 13 : 1009062816
Total Pages : 265 pages
Book Rating : 4.0/5 (9 download)
Download or read book Unmaking Sex written by Anne E. Linton and published by Cambridge University Press. This book was released on 2022-03-24 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the nineteenth century, words like 'intersex' and 'trans' had not yet been invented to describe individuals whose bodies, or senses of self, conflicted with binary sex. But that does not mean that such people did not exist. In nineteenth-century France, case studies filled medical journals, high-profile trials captured headlines, and doctors staked their reputations on sex determinations only to have them later reversed by colleagues. While medical experts fought over what separated a man from a woman, novelists began to explore debates about binary sex and describe the experiences of gender-ambiguous characters. Anne Linton discusses over 200 newly-uncovered case studies while offering fresh readings of literature by several famous writers of the period, as well as long-overlooked popular fiction. This landmark contribution to the history of sexuality is the first book to examine intersex in both medicine and literature, sensitively relating historical 'hermaphrodism' to contemporary intersex activism and scholarship.
Author : R Reinboth
Publisher :
ISBN 13 : 9783642660702
Total Pages : 472 pages
Book Rating : 4.6/5 (67 download)
Download or read book Intersexuality in the Animal Kingdom written by R Reinboth and published by . This book was released on 1975-05-12 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thanumalaya Subramoniam
Publisher : Academic Press
ISBN 13 : 0128096063
Total Pages : 526 pages
Book Rating : 4.1/5 (28 download)
Download or read book Sexual Biology and Reproduction in Crustaceans written by Thanumalaya Subramoniam and published by Academic Press. This book was released on 2016-09-27 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sexual Biology and Reproduction in Crustaceans covers crustacean reproduction as it deals with the structural morphology of the gamete-producing primary sex organs, such as the testis and ovary, the formation and maturation of gametes, their fusion during fertilization, and embryonic development that lead to the release of larvae. Constituting a diverse assemblage of animals, crustaceans are best known by their common representatives, such as shrimps, lobsters, and crabs, but also include many more less familiar, but biologically important forms. This work covers the variety of ways in which both male and female gametes are produced by evolving different sexual systems in crustaceans, the range of reproductive systems, and the accordingly, and highly diverse, mechanistic modes of sex determination. In addition, the book features such topics as genetic and environmental determinants in sex determination pattern, variability of mechanisms of fertilization among different species, the origin of different mating systems, the associated mating and brooding behaviors, and the adaptive ability to different environmental conditions with discussion on the evolutionary ecology of social and sexual systems in certain species, which have shown eusocial tendencies, similar to social insects. Marine species occupying diversified ecological niches in tropical and temperate zones reproduce under definitive environmental conditions. Therefore, reproductive ecology of different crustaceans inhabiting different ecological niches also constitutes another important aspect of the work, along with yolk utilization and embryogenesis leading to release of different larval forms, which reflect on their aquatic adaptability. Forms a valuable source of recent references on the current research in crustacean reproductive physiology Covers various mating and breeding systems, providing illustrative examples for sexual selection, parental care of developing eggs and embryos, and the evolution of other reproductive behaviors Features contributions written in the form of review articles, enabling readers to not only gain information in the respective subject, but also help them stimulate ideas in their chosen field of research Includes a glossary created by the author to define technical terms Demonstrates the ability of crustacean species to serve as useful model systems for other organisms, to investigate issues related to sexual conflict, mate choice, and sperm competition Discusses techniques in endocrine research to help researchers in aquaculture develop protocols in the control of reproduction
Author : InterACT
Publisher :
ISBN 13 : 9781623135027
Total Pages : 179 pages
Book Rating : 4.1/5 (35 download)
Download or read book "I Want to Be Like Nature Made Me" written by InterACT and published by . This book was released on 2017 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This report examines the physical and psychological damage caused by medically unnecessary surgery on intersex people, who are born with chromosomes, gonads, sex organs, or genitalia that differ from those seen as socially typical for boys and girls. The report examines the controversy over the operations inside the medical community, and the pressure on parents to opt for surgery"--Publisher's description.
Author : Georgiann Davis
Publisher : NYU Press
ISBN 13 : 1479814156
Total Pages : 233 pages
Book Rating : 4.4/5 (798 download)
Download or read book Contesting Intersex written by Georgiann Davis and published by NYU Press. This book was released on 2015-09-11 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: "When sociologist Georgiann Davis was a teenager, her doctors discovered that she possessed XY chromosomes, marking her as intersex. Rather than share this information with her, they withheld the diagnosis in order to "protect" the development of her gender identity; it was years before Davis would see her own medical records as an adult and learn the truth. Davis' experience is not unusual. Many intersex people feel isolated from one another and violated by medical practices that support conventional notions of the male/female sex binary which have historically led to secrecy and shame about being intersex. Yet, the rise of intersex activism and visibility in the US has called into question the practice of classifying intersex as an abnormality, rather than as a mere biological variation. This shift in thinking has the potential to transform entrenched intersex medical treatment. In Contesting Intersex, Davis draws on interviews with intersex people, their parents, and medical experts to explore the oft-questioned views on intersex in medical and activist communities, as well as the evolution of thought in regards to intersex visibility and transparency. She finds that framing intersex as an abnormality is harmful and can alter the course of one's life. In fact, controversy over this framing continues, as intersex has been renamed a 'disorder of sex development' throughout medicine. This happened, she suggests, as a means for doctors to reassert their authority over the intersex body in the face of increasing intersex activism in the 1990s and feminist critiques of intersex medical treatment. Davis argues the renaming of 'intersex' as a 'disorder of sex development' is strong evidence that the intersex diagnosis is dubious. Within the intersex community, though, disorder of sex development terminology is hotly disputed; some prefer not to use a term which pathologizes their bodies, while others prefer to think of intersex in scientific terms. Although terminology is currently a source of tension within the movement, Davis hopes intersex activists and their allies can come together to improve the lives of intersex people, their families, and future generations. However, for this to happen, the intersex diagnosis, as well as sex, gender, and sexuality, needs to be understood as socially constructed phenomena." -- Publisher's description
Author : Giuseppe Fusco
Publisher : Cambridge University Press
ISBN 13 : 1108499856
Total Pages : 491 pages
Book Rating : 4.1/5 (84 download)
Download or read book The Biology of Reproduction written by Giuseppe Fusco and published by Cambridge University Press. This book was released on 2019-10-10 with total page 491 pages. Available in PDF, EPUB and Kindle. Book excerpt: A look into the phenomena of sex and reproduction in all organisms, taking an innovative, unified and comprehensive approach.
Author : Suzanne J. Kessler
Publisher : Rutgers University Press
ISBN 13 : 9780813525303
Total Pages : 212 pages
Book Rating : 4.5/5 (253 download)
Download or read book Lessons from the Intersexed written by Suzanne J. Kessler and published by Rutgers University Press. This book was released on 1998 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on intersexuality, having physical gender markers that are neither female or male, the author examines the social institutions that are mobilized to maintain the two seemingly objective sexual categories. She argues that we need to rethink the meaning of gender, genitals and sexuality.
Author : Nelson R Cabej
Publisher : Newnes
ISBN 13 : 0124017290
Total Pages : 313 pages
Book Rating : 4.1/5 (24 download)
Download or read book Building the Most Complex Structure on Earth written by Nelson R Cabej and published by Newnes. This book was released on 2013-04-01 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building the Most Complex Structure on Earth provides readers with a basic biological education an easy and understandable introduction into a new epigenetic theory of development and evolution. This is a novel theory that describes the epigenetic mechanisms of the development and evolution of animals and explains the colossal evolution and diversification of animals from a new post-genetic perspective. Modern biology has demonstrated the existence of a common genetic toolkit in the animal kingdom, but neither the number of genes nor the evolution of new genes is responsible for the development and evolution of animals. The failure to understand how the same genetic toolkit is used to produce millions of widely different animal forms remains a perplexing conundrum in modern biology. The novel theory shows that the development and evolution of the animal kingdom are functions of epigenetic mechanisms, which are the competent users of the genetic toolkit. Provides a comprehensive view of the epigenetic aspects of reproduction, development, and evolution. Highly rigorous, but simple enough for readers with only a basic knowledge of biology.
Author : Tim R. Birkhead
Publisher : Elsevier
ISBN 13 : 0080541593
Total Pages : 853 pages
Book Rating : 4.0/5 (85 download)
Download or read book Sperm Competition and Sexual Selection written by Tim R. Birkhead and published by Elsevier. This book was released on 1998-08-12 with total page 853 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sperm Competition and Sexual Selection presents the intricate ways in which sperm compete to fertilize eggs and how this has prompted reinterpretations of breeding behavior. This book provides a theoretical framework for the study of sperm competition, which is a central part of sexual selection. It also discusses the roles of females and the relationships between paternal care in sperm competition. The chapters focusing on taxonomic development are diverse and cover all the major animal groups, both vertebrate and invertebrate, and plants. The final chapter provides an overview discussing the relationship between sperm competition and sexual selection in terms of both function and mechanism and how these translate into species fitness. This book will be of prime interest to behaviorists, ecologists and evolutionary biologists, suggesting new avenues of research and new ways of approaching old problems. The only up-to-date summary of a central and popular subject Well known editors and authors Provides a theoretical framework for the study of sperm competition Covers all major animal groups Includes a chapter on plants
Author :
Publisher : Academic Press
ISBN 13 : 0128115041
Total Pages : 394 pages
Book Rating : 4.1/5 (281 download)
Download or read book Sex Determination in Vertebrates written by and published by Academic Press. This book was released on 2019-04-16 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sex Determination, Volume 134, the latest release in the Current Topics in Developmental Biology series, contains current reviews in the field of vertebrate sex determination. It covers molecular pathways of sex determination in genetic and environmental species and encompasses both sex determination of somatic lineages and commitment of germ cells to male or female fate. Chapters in this new release cover, amongst other topics, Mapping the Sox9 Enhancer Elements, Epigenetic Regulation of Sex Determination, Evolution and Management of Sex Chromosomes, Regulation of Germ Cell Sex Identity in Medaka, Control of Sex Determination in Zebrafish, Sexually Dimorphic Germ Cell Identity in Mammals, and more. Contains reviews written by leading experts in each field Includes informative figures that illustrate principle points that are useful for teaching Written in a style that is clear and simple
Author :
Publisher : Academic Press
ISBN 13 : 0128004266
Total Pages : 2138 pages
Book Rating : 4.1/5 (28 download)
Download or read book Encyclopedia of Evolutionary Biology written by and published by Academic Press. This book was released on 2016-04-14 with total page 2138 pages. Available in PDF, EPUB and Kindle. Book excerpt: Encyclopedia of Evolutionary Biology, Four Volume Set is the definitive go-to reference in the field of evolutionary biology. It provides a fully comprehensive review of the field in an easy to search structure. Under the collective leadership of fifteen distinguished section editors, it is comprised of articles written by leading experts in the field, providing a full review of the current status of each topic. The articles are up-to-date and fully illustrated with in-text references that allow readers to easily access primary literature. While all entries are authoritative and valuable to those with advanced understanding of evolutionary biology, they are also intended to be accessible to both advanced undergraduate and graduate students. Broad topics include the history of evolutionary biology, population genetics, quantitative genetics; speciation, life history evolution, evolution of sex and mating systems, evolutionary biogeography, evolutionary developmental biology, molecular and genome evolution, coevolution, phylogenetic methods, microbial evolution, diversification of plants and fungi, diversification of animals, and applied evolution. Presents fully comprehensive content, allowing easy access to fundamental information and links to primary research Contains concise articles by leading experts in the field that ensures current coverage of each topic Provides ancillary learning tools like tables, illustrations, and multimedia features to assist with the comprehension process
