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8741-8750 of 14737 results in All results

Angiotensin and Blood Pressure Regulation

  • 1st Edition
  • November 10, 2012
  • Joseph Harding
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 5 9 1 1 - 1
Angiotensin and Blood Pressure Regulation examines the role of angiotensin in blood pressure regulation, with emphasis on its ability to influence the inotropic state directly via activation of myocardial receptors and indirectly by potentiating the release of catecholamines from sympathetic nerve terminals. The book also explains how angiotensin acts directly to regulate thirst and sodium appetite, and via antidiuretic hormone to control water reabsorption in the kidney. This book is comprised of eight chapters and begins with a review of the neuronal actions of angiotensin, primarily those in the brain, as well as the location and function of brain angiotensin II receptors. The effects of angiotensin on elements of the vascular wall and myocardium are also discussed, along with its function in hypovolemia, reproduction, and neurotransmission. Subsequent chapters explore some basic and functional considerations of the renin-angiotensin system in the brain; the biochemical processing that is required for angiotensin activation and inactivation; how angiotensin affects peripheral resistance; and the potency of angiotensin III as a pressor and dipsogenic agent in normotensive and hypertensive animal models. This monograph will be a useful resource for pharmacologists and physiologists.

Biology and Geology of Coral Reefs V4

  • 1st Edition
  • November 10, 2012
  • O.A. Jones
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 5 4 3 8 - 3
Biology and Geology of Coral Reefs, Volume IV: Geology 2 covers the major advances made in the geological aspects of coral reef problems. This book is composed of 10 chapters that summarize the types, economics, radiometric dating, and geological features of coral reefs. The introductory chapters present the types and distribution of coral reefs, such as fringing, barrier, and Atoll reefs. A chapter discusses the findings of the 1973 Royal Society and Queensland Universities Expedition to the northern part of the Great Barrier Reefs on the specialized Low Wooded Islands. Another chapter deals with the interrelation of ecology and sedimentation in coral reef complexes and the Coral Sea Plateau. The next part of the book discusses the techniques and results of radiometric dating of coral reefs and the coral reefs of the Solomon Islands. The remaining chapters deal with the Great Barrier Reef Province and discuss the geology of the basement upon which the reefs rest is included. The reefs are described from geological, geophysical, and hydrological viewpoints, providing a complete bibliography on the reefs. This volume will acquaint readers with some of the exciting developments in coral reef geology and will provide information that will enable them to assess the status of research in different fields.

Biology of Termites

  • 1st Edition
  • November 10, 2012
  • Kumar Krishna
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 4 5 8 - 2
Biology of Termites, Volume I presents the anatomical, physiological, biochemical, and behavioral laboratory and field studies of termite species. Although termites have been associated mainly with damage, only less than 10% of the species have actually been recorded as pests, obscuring their important ecological role in the breakdown of vegetative matter and their variety and complexity of structure, physiology, social behavior, caste differentiation and regulation, and other aspects of their biology. After briefly describing the social organization, classification, and research history of termites, the book discusses the external morphology of these species and the similarities and differences between the various groups and the different castes. The subsequent chapters cover the internal anatomy of termites, including their digestive physiology, exocrine and endocrine glands, reproductive and nervous systems, and sense organs. Other chapters deal with the social behavior and communication in the termites and the termite colonizing flights and associated activities. The book also examines caste differentiation in the three lower termite families, namely, Hodotermitidae, Kalotermitidae, and Rhinotermitidae. This volume includes discussions on the rearing, feeding, and biochemistry of termites; the radioisotopes for feeding studies; and the moisture requirements for termite survival. The concluding chapters deal with the introduction or interception of termites by humans and their association with fungi, as well as the relationships of termite hosts with termitophiles. Termite biologists, zoologists, botanists, ecologists, behaviorists, biochemists, endocrinologists, and economic entomologists will find this volume invaluable.

Chemical Zoology V2

  • 1st Edition
  • November 10, 2012
  • Marcel Florkin
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 3 7 5 - 2
Chemical Zoology, Volume II: Porifera, Coelenterata, and Platyhelminthes presents chemical information on zoological significance. This book is organized into three sections; each section deals with the biological and biochemical aspects of the specific phylum. The first section examines three large classes of Porifera, namely, Calcarea, Demospongiae, and Hexactinellida. It describes the skeletal structure, pigments, nutrition, digestion, composition, intermediary metabolism, and hibernation of Porifera. The second section covers the classification, pigments, feeding response, digestion, nutrition, ecology, pharmacology, and intermediary metabolism of Coelenterata. The last section is devoted to the classification, nutrition, digestion, respiratory and intermediary metabolism, growth, development, and culture methods, as well as the chemical aspects of ecology of Platyhelminthes. This book is an invaluable resource for zoologists and biochemists.

Chemical Zoology V3

  • 1st Edition
  • November 10, 2012
  • Marcel Florkin
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 3 1 1 - 0
Chemical Zoology, Volume III: Echinodermata, Nematoda, and Acanthocephala presents chemical information on zoological significance of Echinodermata, Nematoda, and Acanthocephala. This book is divided into two sections; each section deals with the biological and biochemical aspects of the specific phylum. The first section examines the general characteristics, ionic patterns, feeding, nutrition, digestion, carbohydrate and lipid metabolism, fertilization and development, and pharmacology of Echinodermata. The echinoderms make up one of the principal branches of the animal kingdom and one of the most distinctive. The second part focuses on various aspects of nematodes and Acanthocephala, including their classification, skeletal structure, nutrition, and culture methods. The carbohydrate and lipid metabolism, lipid and nitrogenous composition, osmotic and ionic regulation, growth and development, pigments, and pharmacological activity of nematodes and Acanthocephala are also discussed in this volume. This book is an invaluable resource for zoologists and biochemists.

Chemical Zoology V5

  • 1st Edition
  • November 10, 2012
  • Marcel Florkin
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 8 7 7 - 1
Chemical Zoology Volume V Arthropoda Part A presents chemical information on zoological importance of Arthropoda. It is composed of 12 chapters that cover anatomy, feeding, and digestion; carbohydrate, nitrogen, and lipid metabolism; osmoregulation; and growth and development. After briefly dealing with general characteristics, evolution and classification of Arthropoda, the book discusses arthropod nutrition and the nutrients needed for their growth and development. It describes the unique features of the digestive system, as well as secretion, resorption, and production of digestive juices of arthropods and crustaceans. Other chapters deal with the aspects and dynamics of arthropods' carbohydrate, lipid, and nitrogen metabolism. The book also describes the mechanism of osmotic regulation in aquatic arthropods and the role of amino acids in this function in insect hemolyph. The concluding chapters discuss some of the metabolic changes as related to tissue growth and an increase in body size in arthropods. This book is an invaluable resource for zoologists and biochemists.

Experimental Endocrinology

  • 1st Edition
  • November 10, 2012
  • M Zarrow
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 6 7 7 - 7
Experimental Endocrinology: A Sourcebook of Basic Techniques focuses on techniques and methodologies used in conducting experiments on endocrinology. The manual discusses the sources, nature, action, and assays of hormones and estrogens. Biosynthesis, metabolism, and mechanisms of action of hormones; sites of estrogen formation; and biogenesis, metabolism, and mechanism of action are discussed. The book also focuses on the nature, action, and assays of progestogens, relaxin, androgens, epinephrine and norepinephrine, adrenal corticoids, and thyroid hormones. Experiments are presented to show the varying effects of these hormones on animals. The manual also focuses on somatotropin, corticotropin, and thyrotropin. Sites of formation; nature of the hormones; action of STH, ACTH, and TSH; and biogenesis, metabolism, and mechanism of action are discussed. The book also discusses gonadotropins, oxytocin, vasopressin, and melanocyte stimulating hormone; parathormone; insulin and glucagon; and invertebrate hormones. The manual is a reliable source of information for students and readers interested in studying endocrinology.

Metabolic Inhibitors V3

  • 1st Edition
  • November 10, 2012
  • R Hochster
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 7 1 5 - 6
Metabolic Inhibitors: A Comprehensive Treatise, Volume III reviews developments in metabolic and enzyme inhibition. With contributions by investigators experienced in their respective fields, the book explores metabolic processes or systems and covers topics ranging from membrane transport to immunization; gene activity; DNA, RNA, and protein syntheses; photosynthesis; lipid metabolism; and blood clotting. Organized into 12 chapters, this volume begins with an overview of transport reactions and their inhibition, emphasizing inhibitors of ATPase including cations, substrates, and products. Some chapters deal with inhibitors, such as antibiotics; polypeptide and protein hormones; modified transfer RNAs; and oligonucleotides. Other chapters discuss inhibitors of immune reactions; animal virus replication; plant viruses and mycoplasma; and isozymes. An account of genetic deletions is also given. Finally, the book considers molecules that act as repressors and derepressors of gene activity. This book will be beneficial to biochemists and medical research workers, as well as to virologists, microbiologists, plant physiologists, and agronomists.

Microcirculation as Related to Shock

  • 1st Edition
  • November 10, 2012
  • David Shepro
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 5 7 1 3 - 1
Microcirculation as Related to Shock contains the proceedings of the 1967 Conference on the Microcirculation as Related to Shock held at Boston University. Contributors address reduced blood flow in the microcirculation and microcirculatory hypoperfusion as the focal point of shock. They also review significant progress in shock research, basic cardiovascular physiology, and cognate interdisciplinary fields. This volume is organized into four sections encompassing 26 chapters and begins with an overview of organs and systems involved in shock, including splanchnic circulation, regulatory mechanisms in shock, and microcirculatory studies in hypotension. The next chapters explore the causative factors that produce the state of low blood flow as found in shock, and whether microcirculatory hypoperfusion in humans can be prevented and treated. The book also discusses whether microcirculatory hypoperfusion can be measured in the patient and concludes with an assessment of promising avenues for further research, emphasizing the measurement of blood viscosity, shear stress, and rheological factors as indices of the degree of hypotension. This book is a valuable source of information for physiologists, biologists, and pathologists, as well as those involved in the medical sciences.

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