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Author:
Publisher:
ISBN: 9780915554263
Category : Abnormalities, Human
Languages : en
Pages : 0
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Author:
Publisher:
ISBN: 9780915554263
Category : Abnormalities, Human
Languages : en
Pages : 0
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Author: William R. Corliss
Publisher:
ISBN: 9780915554294
Category : Medical
Languages : en
Pages : 206
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Author: William R. Corliss
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 312
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Author: William R. Corliss
Publisher:
ISBN: 9780915554317
Category : Mammals
Languages : en
Pages : 320
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Author:
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 316
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Author: Lewis I. Held, Jr
Publisher: Cambridge University Press
ISBN: 1108892434
Category : Science
Languages : en
Pages : 295
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Book Description
Among the offspring of humans and other animals are occasional individuals that are malformed in whole or in part. The most grossly abnormal of these have been referred to from ancient times as monsters, because their birth was thought to foretell doom; the less severely affected are usually known as anomalies. This volume digs deeply into the cellular and molecular processes of embryonic development that go awry in such exceptional situations. It focuses on the physical mechanisms of how genes instruct cells to build anatomy, as well as the underlying forces of evolution that shaped these mechanisms over eons of geologic time. The narrative is framed in a historical perspective that should help students trying to make sense of these complex subjects. Each chapter is written in the style of a Sherlock Holmes story, starting with the clues and ending with a solution to the mystery.
Author: Mark Blumberg
Publisher: Oxford University Press
ISBN: 0199889945
Category : Psychology
Languages : en
Pages : 352
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Book Description
In most respects, Abigail and Brittany Hensel are normal American twins. Born and raised in a small town, they enjoy a close relationship, though each has her own tastes and personality. But the Hensels also share a body. Their two heads sit side-by-side on a single torso, with two arms and two legs. They have not only survived, but have developed into athletic, graceful young women. And that, writes Mark S. Blumberg, opens an extraordinary window onto human development and evolution. In Freaks of Nature, Blumberg turns a scientist's eye on the oddities of nature, showing how a subject once relegated to the sideshow can help explain some of the deepest complexities of biology. Why, for example, does a two-headed human so resemble a two-headed minnow? What we need to understand, Blumberg argues, is that anomalies are the natural products of development, and it is through developmental mechanisms that evolution works. Freaks of Nature induces a kind of intellectual vertigo as it upends our intuitive understanding of biology. What really is an anomaly? Why is a limbless human a "freak," but a limbless reptile-a snake-a successful variation? What we see as deformities, Blumberg writes, are merely alternative paths for development, which challenge both the creature itself and our ability to fit it into our familiar categories. Rather than mere dead-ends, many anomalies prove surprisingly survivable-as in the case of the goat without forelimbs that learned to walk upright. Blumberg explains how such variations occur, and points to the success of the Hensel sisters and the goat as examples of the extraordinary flexibility inherent in individual development. In taking seriously a subject that has often been shunned as discomfiting and embarrassing, Mark Blumberg sheds new light on how individuals-and entire species-develop, survive, and evolve.
Author: Charles E. Boklage
Publisher: World Scientific
ISBN: 9812835148
Category : Embryology, Human
Languages : en
Pages : 516
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Book Description
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.
Author: Stephen Juan
Publisher: Andrews McMeel Publishing
ISBN: 9780740741883
Category : Family & Relationships
Languages : en
Pages : 308
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Book Description
If you've ever had a question about your body (maybe one you're afraid to ask?), this book is for you. Things like why we yawn, why skin wrinkles after a bath, or even whether it's possible to keep a severed head alive: The Odd Body explains these and many other silly, weird, bizarre, and fascinating body mysteries. Dr. Stephen Juan entertains and rivets readers with his detailed answers. Reading The Odd Body is like having your doctor patiently answer all your random questions, one by one. But Dr. Juan goes well beyond the usual and ordinary things people wonder about bodies, like why most individuals are right-handed or why you get chills when chalk screeches across a blackboard. He also tells readers how a dead body is made into a mummy, the success rate of those who bore holes in their own heads to relieve headaches, and much, much more. The Odd Body is a unique combination of fun and fascinating material that's delivered by an expert who happens to be a great storyteller. The book's question-and-answer format makes it easy to pick up, turn to any page, and immediately become drawn into the intricacies of anatomy and physiology while gaining a better understanding of the human need to know more about ourselves.
Author: William R. Corliss
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 344
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Book Description
