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Books > Science & Mathematics > Biology, life sciences > Zoology & animal sciences > Animal physiology

Chemical Signals in Vertebrates 9 (Paperback, Softcover reprint of the original 1st ed. 2001): Anna Marchlewska-Koj, John J.... Chemical Signals in Vertebrates 9 (Paperback, Softcover reprint of the original 1st ed. 2001)
Anna Marchlewska-Koj, John J. Lepri, Dietland Muller-Schwarze
R5,232 Discovery Miles 52 320 Ships in 18 - 22 working days

It is generally accepted that the recent progress in molecular and cellular biology would not have been possible without an understanding of the mechanisms and signaling pathways of communication inside the cell and between various cells of the animal organism. In fact a similar progress occurred in the field of chemical communication between individual organisms of vertebrate species, and this volume is aimed at presenting the current state of the art on this subject. The reader can find here both original results obtained in the laboratory or field studies and comprehensive reviews summarizing many years of research. The presentations of over 60 scientists have been grouped according to their approach into nine parts covering such fields as ecological and evolutionary aspects of chemical communication, structure and neuronal mechanisms of chemosensory systems, chemical structure of pheromones and binding proteins, kin, individual and sexual recognition, predator-prey relationships, purpose and consequences of marking behavior, scent signals and reproductive processes. Expanding on former volumes of this series, entirely new chapters have been added on prenatal chemical communication describing specific effects of the intrauterine environment. In many cases a truly multidisciplinary approach was required, such as with the population analysis of polymorphic variants of the mouse's major urinary proteins that function in carrying pheromones.

Comparative Hearing: Insects (Paperback, Softcover reprint of the original 1st ed. 1998): Ronald R. Hoy, Richard R Fay Comparative Hearing: Insects (Paperback, Softcover reprint of the original 1st ed. 1998)
Ronald R. Hoy, Richard R Fay
R4,028 Discovery Miles 40 280 Ships in 18 - 22 working days

The Springer Handbook of Auditory Research presents a series of compre hensive and synthetic reviews of the fundamental topics in modern auditory research. The volumes are aimed at all individuals with interests in hearing research, including advanced graduate students, postdoctoral researchers, and clinical investigators. The volumes are intended to introduce new in vestigators to important aspects of hearing science and to help established investigators to better understand the fundamental theories and data in fields of hearing that they may not normally follow closely. Each volume is intended to present a particular topic comprehensively, and each chapter serves as a synthetic overview and guide to the literature. As such, the chapters present neither exhaustive data reviews nor original research that has not yet appeared in peer-reviewed journals. The volumes focus on topics that have developed a solid data and conceptual foundation, rather than on those for which a literature is only beginning to develop. New research areas will be covered on a timely basis in the series as they begin to mature."

The Senses of Fish - Adaptations for the Reception of Natural Stimuli (Paperback, Softcover reprint of the original 1st ed.... The Senses of Fish - Adaptations for the Reception of Natural Stimuli (Paperback, Softcover reprint of the original 1st ed. 2004)
Gerhard von der Emde, Joachim Mogdans, B.G. Kapoor
R4,065 Discovery Miles 40 650 Ships in 18 - 22 working days

Fish comprise more than 50% of all living vertebrates and are found in a wide range of highly diverse habitats like the deep sea, the shoreline, tide pools, tropical streams and sweetwater ponds. During evolution, the senses of fish have adapted to the physical conditions of the environment in which different species live. As a result, the senses of fish exhibit a remarkable diversity that allows different species to deal with the physical constraints imposed by their habitat. In addition, fish have evolved several new' sensory systems that are unique to the aquatic environment.
In this book, examples of adaptation and refinement are given for six sensory systems: The visual system, The auditory system, The olfactory system, The mechanosensory lateral line system, The taste system, The electrosensory system. In each case, the environmental conditions under which a particular group of fish lives are analyzed. This is followed by a description of morphology and physiology of the sensory system and by an evaluation of its perceptional capabilities. Finally, the sensory adaptations to the particular conditions that prevail in the habitat of a species are highlighted.
The various examples from different groups of fish presented in this book demonstrate the impressive capability of fish sensory systems to effectively overcome physical problems imposed by the environment.

Iron Biominerals (Paperback, Softcover reprint of the original 1st ed. 1991): R. Blakemore, R Frankel Iron Biominerals (Paperback, Softcover reprint of the original 1st ed. 1991)
R. Blakemore, R Frankel
R2,724 Discovery Miles 27 240 Ships in 18 - 22 working days
Endocrine Causes of Seasonal and Lactational Anestrus in Farm Animals - A Seminar in the CEC Programme of Co-ordination of... Endocrine Causes of Seasonal and Lactational Anestrus in Farm Animals - A Seminar in the CEC Programme of Co-ordination of Research on Livestock Productivity and Management, held at the Institut fur Tierzucht und Tierverhalten, Mariensee, Bundesforschumgsanstalt fur Landwirtschaft (FAL) October 2-3, 1984 (Paperback, Softcover reprint of the original 1st ed. 1985)
F. Ellendorff, F. Elsaesser
R1,395 Discovery Miles 13 950 Ships in 18 - 22 working days
The Hot-Blooded Insects - Strategies and Mechanisms of Thermoregulation (Paperback, Softcover reprint of the original 1st ed.... The Hot-Blooded Insects - Strategies and Mechanisms of Thermoregulation (Paperback, Softcover reprint of the original 1st ed. 1993)
Bernd Heinrich
R2,983 Discovery Miles 29 830 Ships in 18 - 22 working days

"From one man's persistent and elegant probing of the temperature biology of bees, we have been led to a deeper understanding of the whole biology of many insect taxa, and of their interactions with ecological and environmental stresses: all who work at the interfaces of physiology, ecology and behaviour have cause to be grateful, and all should certainly read this book." (Trends in Ecology & Evolution) "An outstanding source of information, and can be read with profit and satisfaction by the professional biologist and interested amateur alike." (Nature)

Animal Life at Low Temperature (Paperback, Softcover reprint of the original 1st ed. 1992): John Davenport Animal Life at Low Temperature (Paperback, Softcover reprint of the original 1st ed. 1992)
John Davenport
R4,003 Discovery Miles 40 030 Ships in 18 - 22 working days

To humans, cold has a distinctly positive quality. 'Frostbite', 'a nip in the air', 'biting cold', all express the concept of cold as an entity which attacks the body, numbing and damaging it in the process. Probably the richness of descriptive English in this area stems from the early experiences of a group of essentially tropical apes, making their living on a cold and windswept island group half way between the Equator and the Arctic. During a scientific education we soon learn that there is no such thing as cold, only an absence of heat. Cold does not invade us; heat simply deserts. Later still we come to appreciate that temperature is a reflection of kinetic energy, and that the quantity of kinetic energy in a system is determined by the speed of molecular movement. Despite this realization, it is difficult to abandon the sensible prejudices of palaeolithic Homo sapiens shivering in his huts and caves. For example; appreciating that a polar bear is probably as comfortable when swimming from ice floe to ice floe as we are when swimming in the summer Mediterranean is not easy; understanding the thermal sensa tions of a 'cold-blooded' earthworm virtually impossible. We must always be wary of an anthropocentric attitude when considering the effects of cold on other species."

Regulatory Mechanisms in Insect Feeding (Paperback, Softcover reprint of the original 1st ed. 1995): Reg F. Chapman, Gerrit De... Regulatory Mechanisms in Insect Feeding (Paperback, Softcover reprint of the original 1st ed. 1995)
Reg F. Chapman, Gerrit De Boer
R5,179 Discovery Miles 51 790 Ships in 18 - 22 working days

This timely volume presents a comprehensive overview of the behavioral and physiological mechanisms underlying insect feeding. The single source for up-to-date information on the subject, it features contributions from the most authoritative scientists in the field worldwide. Taking an accessible approach focusing on the sequential stages of the feeding process, Regulatory Mechanisms in Insect Feeding explores the principles regulating feeding, and it offers information necessary for the development of more effective and environmentally safe methods to control the feeding of pest insects. The authors incorporate a spectrum of information in areas ranging from neurophysiology to insect control.An inclusive reference that reflects recent expansion and advances in the field, this book * considers the problems encountered by insects when feeding on different types of food, as well as their adaptations for dealing with the problems * introduces the cyclic nature of feeding activity and its components and provides the framework for the discussion of various control mechanisms * discusses the underlying regulatory mechanisms of feeding in both the short and long terms in insects with a diversity of feeding habits * synthesizes concepts and details of the basic mechanisms underlying insect feeding behavior that are essential for the development of pest management methods. Regulatory Mechanisms in Insect Feeding is the ideal text for graduate courses in entomology and zoology with a special focus on insect behavior, physiology, neurobiology, and control. It is also a valuable resource for ecologists interested in insect-plant and insect-animal interactions, for scientists concerned with the mechanisms behind the physiology and behavior of feeding, and for those working in crop protection and pest management.

Understanding Body Shapes of Animals - Shapes as mechanical constructions and Systems moving on minimal energy level... Understanding Body Shapes of Animals - Shapes as mechanical constructions and Systems moving on minimal energy level (Hardcover, 1st ed. 2022)
Holger Preuschoft
R4,672 R4,350 Discovery Miles 43 500 Save R322 (7%) Ships in 10 - 15 working days

This book discusses how and why animals evolved into particular shapes. The book identifies the physical laws which decide over the evolutionary (selective) value of body shape and morphological characters. Comparing the mechanical necessities with morphological details, the author attempts to understand how evolution works, and which sorts of limitations are set by selection. The book explains morphological traits in more biomechanical detail without getting lost in physics, or in methods. Most emphasis is placed on the proximate question, namely the identification of the mechanical stresses which must be sustained by the respective body parts, when they move the body or its parts against resistance. In the first part of the book the focus is on 'primitive' animals and later on the emphasis shifts to highly specialized mammals. Readers will learn more about living and fossil animals. A section of the book is dedicated to human evolution but not to produce another evolutionary tree, nor to refine a former one, but to contribute to answering the question: "WHY early humans have developed their particular body shape".

Eel Biology (Paperback, Softcover reprint of the original 1st ed. 2003): K. Aida, K. Tsukamoto, K. Yamauchi Eel Biology (Paperback, Softcover reprint of the original 1st ed. 2003)
K. Aida, K. Tsukamoto, K. Yamauchi
R2,710 Discovery Miles 27 100 Ships in 18 - 22 working days

As a food resource in both Eastern and Western countries, the eel is an important fish. Over the years, remarkable progress has been achieved in understanding the mysterious life cycle of eels that has fascinated scientists since the age of Aristotle. The spawning area of the Japanese eel was discovered and the migratory route of its larvae was elucidated. With the development of techniques for artificial induction of gonadal maturation, it became possible to obtain hatched larvae. Larval rearing to the leptocephalus stage, one of the most difficult tasks involved in eel culture, finally was achieved. By presenting these important breakthroughs, Eel Biology will be of great help in the development of effective management strategies for maintaining stable eel populations. With contributions by leading experts, this book is a valuable source for researchers as well as industry technicians in the fields of aquatic biology, aquaculture, and fisheries.

Pesticide Resistance in Arthropods (Paperback, Softcover Repri): Richard Roush, Bruce E. Tabashnik Pesticide Resistance in Arthropods (Paperback, Softcover Repri)
Richard Roush, Bruce E. Tabashnik
R2,680 Discovery Miles 26 800 Ships in 18 - 22 working days

Bruce E. Tabashnik and Richard T. Roush Pesticide resistance is an increasingly urgent worldwide problem. Resistance to one or more pesticides has been documented in more than 440 species of insects and mites. Resistance in vectors of human dise8se, particularly malaria-transmit ting mosquitoes, is a serious threat to public health in many nations. Agricultural productivity is jeopardized because of widespread resistance in crop and livestock pests. Serious resistance problems are also evident in pests of the urban environ ment, most notably cockroaches. Better understanding of pesticide resistance is needed to devise techniques for managing resistance (Le., slowing, preventing, or reversing development of resistance in pests and promoting it in beneficial natural enemies). At the same time, resistance is a dramatic example of evolution. Knowledge of resistance can thus provide fundamental insights into evolution, genetics, physiology, and ecology. Resistance management can help to reduce the harmful effects of pesticides by decreasing rates of pesticide use and prolonging the efficacy of environmentally safe pesticides. In response to resistance problems, the concentration or frequency of pesticide applications is often increased. Effective resistance management would reduce this type of increased pesticide use. Improved monitoring of resis tance would also decrease the number of ineffective pesticide applications that are made when a resistance problem exists but has not been diagnosed. Resistance often leads to replacement of one pesticide with another that is more expensive and less compatible with alternative controls."

Animal Growth Regulation (Paperback, Softcover reprint of the original 1st ed. 1989): Dennis R. Campion, Gary J. Hausman, Roy... Animal Growth Regulation (Paperback, Softcover reprint of the original 1st ed. 1989)
Dennis R. Campion, Gary J. Hausman, Roy J. Martin
R1,438 Discovery Miles 14 380 Ships in 18 - 22 working days

The biotechnological advances of recent years have put us on the brink of unprecedented gains in animal productivity. Manipulation of animal growth rate and composition of gain is now possible by a variety of techniques. Ex amples include ingestion of beta-adrenergic agonists, injection of somatotropin, castration, immunization, and gene insertion. Animal Growth Regulation ad dresses modem concepts of growth regulation with an emphasis on agricul turally important animals. This emphasis is not exclusive, as many situations exist in which the only information available was generated in other species, and this information has been included for the sake of clarity and completeness. However, because of the overall orientation of this volume, particular attention has been given to the regulation of skeletal muscle, adipose tissue, and bone growth. Certain hormones and growth factors have a profound influence on growth regulation and this basic physiological knowledge is being harnessed to maniplilate growth. Thus, considerable emphasis has been given to growth hor mone-somatomedinlinsulinlike growth factor regulation of cell and tissue growth. The involvement of peptides coded by protooncogenes and of negative growth regulators, such as transforming growth factor-l3, represents an emerging area of molecular biology wherein basic knowledge offers potential exploitation for growth manipulation. Opportunities also exist for regulation of protein turn over, especially from the standpoint of protein degradation. Therefore, a place was reserved for these topics in order to provide relevant basic knowledge."

Ecophysiology of Amphibians Inhabiting Xeric Environments (Paperback, Softcover reprint of the original 1st ed. 1997): Michael... Ecophysiology of Amphibians Inhabiting Xeric Environments (Paperback, Softcover reprint of the original 1st ed. 1997)
Michael Warburg
R3,987 Discovery Miles 39 870 Ships in 18 - 22 working days

Scarcity of water has brought about a number of structural, behavioural, physiological and ecological adaptations in amphibians inhabiting seasonally xeric habitats.
This book describes structural and functional adaptations of key organs such as skin, kidneys, bladder, lungs and ovaries. Behavioural responses to high temperatures mainly involve thermoregulation and the selection of optimal temperatures and humidity. Special emphasis is placed on physiological adaptations: water, electrolyte, nitrogen, and thermal balance and their endocrine control are treated in detail. Development and metamorphosis, larval competition for food resources, and reproductive strategies are only a few of the exciting topics in the chapter on ecological aspects.

Axonal Transport - Methods and Protocols (Hardcover, 1st ed. 2022): Alessio Vagnoni Axonal Transport - Methods and Protocols (Hardcover, 1st ed. 2022)
Alessio Vagnoni
R6,625 R5,416 Discovery Miles 54 160 Save R1,209 (18%) Ships in 10 - 15 working days

This volume covers a wide range of model systems from invertebrate to humans and in vitro and in vivo. Chapters detail methods on squid, aplysia, xenopus, mouse in vivo, ex vivo, rodent primary neurons, human-derived neurons, zebrafish, drosophila in vivo, primary neurons, c. elegans, and in vitro reconstitution assays.Written in the format of the highly successful Methods in Molecular Biology series, each chapter includes an introduction to the topic, lists necessary materials and reagents, includes tips on troubleshooting and known pitfalls, and step-by-step, readily reproducible protocols. Authoritative and cutting-edge, Axonal Transport: Methods and Protocols aims to further our understanding of the trafficking of cellular components in the nervous system leading to the advancement of basic knowledge that underlines the cell biology of the neuron. The chapters " Live imaging of RNA Transport and Translation in Xenopus Retinal Axons, Retrograde Axonal Transport of Neurotrophins in Basal Forebrain Cholinergic Neurons, Assessment of Mitochondrial Trafficking as A Surrogate of Fast Axonal Transport in Human Induced Pluripotent Stem Cell Derived Spinal Motor Neurons, Drosophila Primary Neuronal Cultures as a Useful Cellular Model to Study and Image Axonal Transport, and In vitro Reconstitution of Kinesin-Based, Axonal mRNA Transport" are available open access under a Creative Commons Attribution 4.0 International License via link.springer.com

Teeth: A Very Short Introduction (Paperback): Peter S. Ungar Teeth: A Very Short Introduction (Paperback)
Peter S. Ungar
R279 R252 Discovery Miles 2 520 Save R27 (10%) Ships in 9 - 17 working days

Teeth are amazing - the product of half a billion years of evolution. They provide fuel for the body by breaking apart other living things; and they must do it again and again over a lifetime without themselves being broken in the process. This means that plants and animals have developed tough or hard tissues for protection, and teeth have evolved ways to sharpen or strengthen themselves to overcome those defences. And just as different jobs require different tools, animals with different diets have different shaped teeth to deal with the variety of foods that they eat. In this Very Short Introduction, Peter S. Ungar, an award-winning author and leading scientist, presents the story of teeth. Ungar outlines the key concepts, including insights into the origin of teeth and their evolution. Considering why teeth are important, he describes how they are made, and how they work, including their fundamental importance in the fossil record. Ungar finishes with a review of mammal teeth, looking at how they evolved and how recent changes to our diet are now affecting dental health. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area. These pocket-sized books are the perfect way to get ahead in a new subject quickly. Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable.

Cell Signalling in Prokaryotes and Lower Metazoa (Paperback, Softcover reprint of the original 1st ed. 2004): I. Fairweather Cell Signalling in Prokaryotes and Lower Metazoa (Paperback, Softcover reprint of the original 1st ed. 2004)
I. Fairweather
R5,178 Discovery Miles 51 780 Ships in 18 - 22 working days

Cell signalling lies at the heart of many biological processes and currently is the focus of intense research interest. In multicellular organisms, it is central to how different types of cell communicate with each other and how they detect and respond to extracellular signals. Intercellular communication is vital to single-celled organisms as well, allowing them to respond to environmental cues and signals.

To date, much of the understanding of signalling mechanisms has come from research on specific cell types (eg mouse lymphocyte and cardiomyocyte) or on organisms in which communication systems such as nervous and endocrine systems are well established. This volume therefore aims to 'fill the gap' by concentrating on 'simple organisms' where the elements of those signalling systems first evolved. Many of the groups covered contain important pathogens or parasites, and the potential for manipulating signalling pathways for therapeutic intervention will be highlighted.

Branching Morphogenesis (Paperback, Softcover reprint of hardcover 1st ed. 2006): Jamie Davies Branching Morphogenesis (Paperback, Softcover reprint of hardcover 1st ed. 2006)
Jamie Davies
R3,999 Discovery Miles 39 990 Ships in 18 - 22 working days

Branching morphogenesis, the creation of branched structures in the body, is a key feature of animal and plant development. This book brings together, for the first time, expert researchers working on a variety of branching systems to present a state-of-the-art view of the mechanisms that control branching morphogenesis. Systems considered range from single cells, to blood vessel and drainage duct systems to entire body plans, and approaches range from observation through experiment to detailed biophysical modelling. The result is an integrated overview of branching.

Biotechnology in Animal Husbandry (Paperback, Softcover reprint of the original 1st ed. 2001): R. Renaville, A. Burny Biotechnology in Animal Husbandry (Paperback, Softcover reprint of the original 1st ed. 2001)
R. Renaville, A. Burny
R4,031 Discovery Miles 40 310 Ships in 18 - 22 working days

Animal biotechnology is a broad umbrella encompassing the polarities of fundamental and applied research including molecular modelling, molecular and quantitative genetics, gene manipulation, development of diagnostics and vaccines and manipulation of tissue or digestion metabolism by growth promoters. Although animal biotechnology in the broadest sense is not new, what is new is the level of complexity and precision involved in scientists' current ability to manipulate living organisms. This new book sets out to show that the important ideas in animal biotechnology are exciting and relevant to everyday experience. It represents an important update of the literature for research workers, lecturers, and advisers in animal science, but is also a core text for advanced undergraduate courses in animal science and biotechnology. It will be an essential acquisition for librarians in agriculture and veterinary science.

Quantification of Tannins in Tree and Shrub Foliage - A Laboratory Manual (Paperback, Softcover reprint of the original 1st ed.... Quantification of Tannins in Tree and Shrub Foliage - A Laboratory Manual (Paperback, Softcover reprint of the original 1st ed. 2003)
Harinder P.S. Makkar
R4,011 Discovery Miles 40 110 Ships in 18 - 22 working days

Here is the most complete guide available for the analysis of tannins. A battery of tannin methodologies is presented in a simple, clear and easy-to-understand manner. This unique guide covers chemical, biological and radio isotopic tannin assays. Comprehensive step-by-step protocols are presented for each method. The protocols enable non-specialists and specialists alike to implement the methods easily in the laboratory. It is an ideal laboratory manual for research scientists, graduate students, and laboratory personnel working in the fields of animal nutrition, soil nutrient management, wild life-plant interactions, and plant breeding.

The Welfare of Animals - The Silent Majority (Paperback, Softcover reprint of hardcover 1st ed. 2009): Clive Phillips The Welfare of Animals - The Silent Majority (Paperback, Softcover reprint of hardcover 1st ed. 2009)
Clive Phillips
R4,011 Discovery Miles 40 110 Ships in 18 - 22 working days

The Welfare of Animals is an exciting book that will stimulate and provoke its readers. It describes many problems faced by animals - those we use for food, for pleasure or in research, and those simply but harshly affected by shrinking habitats in the face of the ever-growing human population. And yet it is not a depressing read. It focuses not only on the difficulties that animals face, but on their capacity for free-choice, for joy and excitement, and on the possible ways in which the planet can be shared between species if only we take the time and trouble to think more carefully about the impact of our actions. Clive Phillips moved from the United Kingdom to take up a Foundation Chair in Animal Welfare at the University of Queensland, becoming Australia's first Professor of Animal Welfare in 2003. This cultural leap, combined with his travels in countries like Malaysia and Borneo, permits him the unique and broad perspective that forms the backbone of this book. Eschewing the normal territory patrolled by the animal scientist (explaining the physiological basis of the stress response or causation of abnormal behaviour), Clive ventures into jungles and deserts, city centres and tribal homelands, and presents a book that remarkably and successfully combines travel-diary, nature notes, social and cultural history.

Ecology of Coccinellidae (Paperback, Softcover reprint of hardcover 1st ed. 1996): Ivo Hodek, Alois Honek Ecology of Coccinellidae (Paperback, Softcover reprint of hardcover 1st ed. 1996)
Ivo Hodek, Alois Honek
R7,689 Discovery Miles 76 890 Ships in 18 - 22 working days

Coccinellids have been very actively studied in the course of the twenty three years since "Biology of Coccinellidae" was published. The great amount of new, and often very important findings have made the previous book outdated and a new synthesis is needed. No other monograph of similar focus and extent has appeared. Iablokoff Khnzorian's "Les Coccinelles" (1982), limited to the tribus Coccinellini, and Gor don's "The Coccinellidae of America North of Mexico" (1985) both concentrate on taxonomy. Majerus' beautiful "Ladybirds" (1994) deal specifically with British coc cinellids and address chiefly amateur naturalists. The focus and the title of the recent book are slightly different from the 1973 vol ume. If a satisfactory comprehensive review of important new findings is attempted, the book would grow too much, due also to References and Indexes. To keep the vol ume at a tolerable extent, the section on larval identification of Palaearctic species has been omitted; not much could be added to the previous version of that part, any way. However, we have kept Kovar's chapter on morphology and anatomy, because of its relation to feeding and other ecological aspects. The chapter on phylogeny was updated also by him. Our Polish friend, Piotr Ceryngier, who has recently specialised in parasites, updated perfectly the parts on parasites and pathogens in Chapter 8. We would be glad if their contribution is quoted by their names. It seems to us that the remarks, contained in the reprinted preface to the previous volume, remain pertinent today."

Polyamines in Health and Nutrition (Paperback, Softcover reprint of hardcover 1st ed. 1999): Susan Bardocz, Ann White Polyamines in Health and Nutrition (Paperback, Softcover reprint of hardcover 1st ed. 1999)
Susan Bardocz, Ann White
R4,004 Discovery Miles 40 040 Ships in 18 - 22 working days

The importance of polyamines for all living cells has been recognized since spermine was discovered in human semen more than 300 years ago. Polyamine research intensified when analytical methods were developed for their determination, particularly in tissues and biological fluids. Discovering their close correlation with cancer, and that polyamine concentrations change during the cell cycle, gave reason for further research in this topic. Polyamines in Health and Nutrition concentrates on the direction of polyamine research which has the capacity to influence and benefit our health and which can explain some of the discrepancies and failures of earlier research. It is important to recognize the dietary contribution to the polyamine body pool and to investigate how the polyamine content of the diet can be changed, with the ultimate aim of using this information to improve our health.

The Baboon in Biomedical Research (Paperback, Softcover reprint of hardcover 1st ed. 2009): John L. Vandeberg, Sarah... The Baboon in Biomedical Research (Paperback, Softcover reprint of hardcover 1st ed. 2009)
John L. Vandeberg, Sarah Williams-Blangero, Suzette D. Tardif
R4,044 Discovery Miles 40 440 Ships in 18 - 22 working days

Nonhuman primates have played critical roles in biomedical research, and they are among the few animals whose use in research continues to increase. The scienti?c value of nonhuman primates derives from their close phylogenetic proximity to man and their consequent anatomic, physiologic, and genetic similarities to man. Only nonhuman primates can provide adequate models for many complex physiological and disease processes of humans. The baboon is a relative newcomer to the repertoire of nonhuman primates used in biomedical research. However, in less than 50 years since its ?rst use in the U. S. , it has become one of the most popular laboratory primate species. It is larger than the other widely used monkey species, making it advantageous for many types of experiments and technological developments. It is extraordinarily hardy and highly fecund in captivity. It closely resembles humans in a variety of physiological and disease processes, such as cholesterol metabolism, early stages of atherosclerosis, and alcoholic liver disease. Its chromosomes closely resemble those of humans, and many genes of the two species lie in the same chromosomal order. Among all primates, baboons are the most widely used models for the genetics of susceptibility to complex diseases and they are the ?rst nonhuman primate for which a framework genetic linkage map was established. In addition, the baboon genome is currently being sequenced, and as a result the utility of this species for biomedical research will be dramatically increased.

Engineering Animals - How Life Works (Hardcover): Mark Denny, Alan McFadzean Engineering Animals - How Life Works (Hardcover)
Mark Denny, Alan McFadzean
R1,278 Discovery Miles 12 780 Ships in 18 - 22 working days

The alarm calls of birds make them difficult for predators to locate, while the howl of wolves and the croak of bullfrogs are designed to carry across long distances. From an engineer's perspective, how do such specialized adaptations among living things really work?Andhow does physics constrain evolution, channeling it in particular directions?

Writing with wit and a richly informed sense of wonder, Denny and McFadzean offer an expert look at animals as works of engineering, each exquisitely adapted to a specific manner of survival, whether that means spinning webs or flying across continents or hunting in the dark-or writing books. This particular book, containing more than a hundred illustrations, conveys clearly, for engineers and nonengineers alike, the physical principles underlying animal structure and behavior.

Pigeons, for instance-when understood as marvels of engineering-are flying remote sensors: they have wideband acoustical receivers, hi-res optics, magnetic sensing, and celestial navigation. Albatrosses expend little energy while traveling across vast southern oceans, by exploiting a technique known to glider pilots as dynamic soaring. Among insects, one species of fly can locate the source of a sound precisely, even though the fly itself is much smaller than the wavelength of the sound it hears. And that big-brained, upright Great Ape? Evolution has equipped us to figure out an important fact about the natural world: that there is more to life than engineering, but no life at all without it.

Integrative Wildlife Nutrition (Paperback, 1st ed. 2009. 2nd printing 2009): Perry S. Barboza, Katherine L. Parker, Ian D. Hume Integrative Wildlife Nutrition (Paperback, 1st ed. 2009. 2nd printing 2009)
Perry S. Barboza, Katherine L. Parker, Ian D. Hume
R4,461 Discovery Miles 44 610 Ships in 18 - 22 working days

Nutrition spans a wide range of mechanisms from acquisition of food to digestion, absorption and retention of energy substrates, water and other nutrients. Nutritional principles have been applied to improving individual health, athletic performance and longevity of humans and of their companion animals, and to maximizing agricultural efficiency by manipulating reproduction or growth of tissues such as muscle, hair or milk in livestock. Comparative nutrition borrows from these tra- tional approaches by applying similar techniques to studies of ecology and physiology of wildlife. Comparative approaches to nutrition integrate several levels of organization because the acquisition and flow of energy and nutrients connect individuals to populations, populations to communities, and communities to ecosystems. Integrative Wildlife Nutrition connects behavioral, morphological and biochemical traits of animals to the life history of species and thus the dynamics of populations. An integrated approach to nutrition provides a practical framework for understanding the interactions between food resources and wildlife popu- tions and for managing the harvest of abundant species and the conservation of threatened populations. This book is for students and professionals in animal physiology and ecology, conservation biology and wildlife management. It is based on our lectures, dem- strations and practical classes taught in the USA, Canada and Australia over the last three decades. Instructors can use Integrative Wildlife Nutrition as a text in wildlife and conservation biology programs, and as a reference source for related courses in wildlife ecology.

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