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The gastro-intestinal tract is a complex and fascinating system that has been the subject of extensive study and research. In this comprehensive work, Thomas Wingate Todd provides a detailed description of the anatomy of the gastro-intestinal tract, including its structure, function, and physiology. He covers a wide range of topics, from the development of the gut to the functions of the various organs and the processes involved in digestion and absorption. This is an essential reference for anyone working in the field of gastroenterology or anatomy. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This wo...
Of the parts of the human body, the bones have a unique durability that lends itself to collection. Provided a body has not been cremated, the skeletal remains can be recovered even millions of years after death, cleaned of flesh and debris, studied at length, and stored indefinitely without the maintenance that wet specimens require. Motivations for collecting human skeletal material range from the practical (in anthropology, medicine, forensics) to the ritualistic (phrenology, in the relics of martyrs and saints). This book is an examination of those motivations and the collections they have brought about--catacombs, ossuaries, mass graves, prehistoric excavations, private collections, and institutions. The book contains sections on procuring, handling, storing, transporting, cleaning, and identifying skeletal remains. The repatriation of remains and legislation covering the topic are also addressed.
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Reprint of the original, first published in 1850.
Winner, 2010 PROSE Award for Excellence in the Biological Sciences. Professional and Scholarly Publishing division of the Association of American Publishers In this unique book, Peter S. Ungar tells the story of mammalian teeth from their origin through their evolution to their current diversity. Mammal Teeth traces the evolutionary history of teeth, beginning with the very first mineralized vertebrate structures half a billion years ago. Ungar describes how the simple conical tooth of early vertebrates became the molars, incisors, and other forms we see in mammals today. Evolutionary adaptations changed pointy teeth into flatter ones, with specialized shapes designed to complement the corre...