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Author: Joshua Scallan
Publisher: Morgan & Claypool Publishers
ISBN: 1615040668
Category : Science
Languages : en
Pages : 86
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Book Description
The partition of fluid between the vascular and interstitial compartments is regulated by forces (hydrostatic and oncotic) operating across the microvascular walls and the surface areas of permeable structures comprising the endothelial barrier to fluid and solute exchange, as well as within the extracellular matrix and lymphatics. In addition to its role in the regulation of vascular volume, transcapillary fluid filtration also allows for continuous turnover of water bathing tissue cells, providing the medium for diffusional flux of oxygen and nutrients required for cellular metabolism and removal of metabolic byproducts. Transendothelial volume flow has also been shown to influence vascular smooth muscle tone in arterioles, hydraulic conductivity in capillaries, and neutrophil transmigration across postcapillary venules, while the flow of this filtrate through the interstitial spaces functions to modify the activities of parenchymal, resident tissue, and metastasizing tumor cells. Likewise, the flow of lymph, which is driven by capillary filtration, is important for the transport of immune and tumor cells, antigen delivery to lymph nodes, and for return of filtered fluid and extravasated proteins to the blood. Given this background, the aims of this treatise are to summarize our current understanding of the factors involved in the regulation of transcapillary fluid movement, how fluid movements across the endothelial barrier and through the interstitium and lymphatic vessels influence cell function and behavior, and the pathophysiology of edema formation. Table of Contents: Fluid Movement Across the Endothelial Barrier / The Interstitium / The Lymphatic Vasculature / Pathophysiology of Edema Formation
Author: Joshua Scallan
Publisher: Morgan & Claypool Publishers
ISBN: 1615040668
Category : Science
Languages : en
Pages : 86
Get Book Here
Book Description
The partition of fluid between the vascular and interstitial compartments is regulated by forces (hydrostatic and oncotic) operating across the microvascular walls and the surface areas of permeable structures comprising the endothelial barrier to fluid and solute exchange, as well as within the extracellular matrix and lymphatics. In addition to its role in the regulation of vascular volume, transcapillary fluid filtration also allows for continuous turnover of water bathing tissue cells, providing the medium for diffusional flux of oxygen and nutrients required for cellular metabolism and removal of metabolic byproducts. Transendothelial volume flow has also been shown to influence vascular smooth muscle tone in arterioles, hydraulic conductivity in capillaries, and neutrophil transmigration across postcapillary venules, while the flow of this filtrate through the interstitial spaces functions to modify the activities of parenchymal, resident tissue, and metastasizing tumor cells. Likewise, the flow of lymph, which is driven by capillary filtration, is important for the transport of immune and tumor cells, antigen delivery to lymph nodes, and for return of filtered fluid and extravasated proteins to the blood. Given this background, the aims of this treatise are to summarize our current understanding of the factors involved in the regulation of transcapillary fluid movement, how fluid movements across the endothelial barrier and through the interstitium and lymphatic vessels influence cell function and behavior, and the pathophysiology of edema formation. Table of Contents: Fluid Movement Across the Endothelial Barrier / The Interstitium / The Lymphatic Vasculature / Pathophysiology of Edema Formation
Author: Sarah Y. Yuan
Publisher: Biota Publishing
ISBN: 1615041214
Category : Medical
Languages : en
Pages : 160
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Book Description
The vascular endothelium lining the inner surface of blood vessels serves as the first interface for circulating blood components to interact with cells of the vascular wall and surrounding extravascular tissues. In addition to regulating blood delivery and perfusion, a major function of vascular endothelia, especially those in exchange microvessels (capillaries and postcapillary venules), is to provide a semipermeable barrier that controls blood–tissue exchange of fluids, nutrients, and metabolic wastes while preventing pathogens or harmful materials in the circulation from entering into tissues. During host defense against infection or tissue injury, endothelial barrier dysfunction occurs as a consequence as well as cause of inflammatory responses. Plasma leakage disturbs fluid homeostasis and impairs tissue oxygenation, a pathophysiological process contributing to multiple organ dysfunction associated with trauma, infection, metabolic disorder, and other forms of disease. In this book, we provide an updated overview of microvascular endothelial barrier structure and function in health and disease. The discussion is initiated with the basic physiological principles of fluid and solute transport across microvascular endothelium, followed by detailed information on endothelial cell–cell and cell–matrix interactions and the experimental techniques that are employed to measure endothelial permeability. Further discussion focuses on the signaling and molecular mechanisms of endothelial barrier responses to various stimulations or drugs, as well as their relevance to several common clinical conditions. Taken together, this book provides a comprehensive analysis of microvascular endothelial cell and molecular pathophysiology. Such information will assist scientists and clinicians in advanced basic and clinical research for improved health care.
Author: Roland N. Pittman
Publisher: Biota Publishing
ISBN: 1615047212
Category : Medical
Languages : en
Pages : 117
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Book Description
This presentation describes various aspects of the regulation of tissue oxygenation, including the roles of the circulatory system, respiratory system, and blood, the carrier of oxygen within these components of the cardiorespiratory system. The respiratory system takes oxygen from the atmosphere and transports it by diffusion from the air in the alveoli to the blood flowing through the pulmonary capillaries. The cardiovascular system then moves the oxygenated blood from the heart to the microcirculation of the various organs by convection, where oxygen is released from hemoglobin in the red blood cells and moves to the parenchymal cells of each tissue by diffusion. Oxygen that has diffused into cells is then utilized in the mitochondria to produce adenosine triphosphate (ATP), the energy currency of all cells. The mitochondria are able to produce ATP until the oxygen tension or PO2 on the cell surface falls to a critical level of about 4–5 mm Hg. Thus, in order to meet the energetic needs of cells, it is important to maintain a continuous supply of oxygen to the mitochondria at or above the critical PO2 . In order to accomplish this desired outcome, the cardiorespiratory system, including the blood, must be capable of regulation to ensure survival of all tissues under a wide range of circumstances. The purpose of this presentation is to provide basic information about the operation and regulation of the cardiovascular and respiratory systems, as well as the properties of the blood and parenchymal cells, so that a fundamental understanding of the regulation of tissue oxygenation is achieved.
Author: Lydia H. Liu
Publisher: Duke University Press
ISBN: 0822381125
Category : Political Science
Languages : en
Pages : 465
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Book Description
The problem of translation has become increasingly central to critical reflections on modernity and its universalizing processes. Approaching translation as a symbolic and material exchange among peoples and civilizations—and not as a purely linguistic or literary matter, the essays in Tokens of Exchange focus on China and its interactions with the West to historicize an economy of translation. Rejecting the familiar regional approach to non-Western societies, contributors contend that “national histories” and “world history” must be read with absolute attention to the types of epistemological translatability that have been constructed among the various languages and cultures in modern times. By studying the production and circulation of meaning as value in areas including history, religion, language, law, visual art, music, and pedagogy, essays consider exchanges between Jesuit and Protestant missionaries and the Chinese between the seventeenth and nineteenth centuries and focus on the interchanges occasioned by the spread of capitalism and imperialism. Concentrating on ideological reciprocity and nonreciprocity in science, medicine, and cultural pathologies, contributors also posit that such exchanges often lead to racialized and essentialized ideas about culture, sexuality, and nation. The collection turns to the role of language itself as a site of the universalization of knowledge in its contemplation of such processes as the invention of Basic English and the global teaching of the English language. By focusing on the moments wherein meaning-value is exchanged in the translation from one language to another, the essays highlight the circulation of the global in the local as they address the role played by historical translation in the universalizing processes of modernity and globalization. The collection will engage students and scholars of global cultural processes, Chinese studies, world history, literary studies, history of science, and anthropology, as well as cultural and postcolonial studies. Contributors. Jianhua Chen, Nancy Chen, Alexis Dudden Eastwood, Roger Hart, Larissa Heinrich, James Hevia, Andrew F. Jones, Wan Shun Eva Lam, Lydia H. Liu, Deborah T. L. Sang, Haun Saussy, Q. S. Tong, Qiong Zhang
Author: T. Earle
Publisher: Elsevier
ISBN: 148329496X
Category : Social Science
Languages : en
Pages : 289
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Book Description
Exchange Systems in Prehistory
Author: National Research Council and Institute of Medicine
Publisher: National Academies Press
ISBN: 0309176212
Category : Medical
Languages : en
Pages : 352
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Book Description
This volume addresses the interface of two major national problems: the epidemic of HIV-AIDS and the widespread use of illegal injection drugs. Should communities have the option of giving drug users sterile needles or bleach for cleaning needs in order to reduce the spread of HIV? Does needle distribution worsen the drug problem, as opponents of such programs argue? Do they reduce the spread of other serious diseases, such as hepatitis? Do they result in more used needles being carelessly discarded in the community? The panel takes a critical look at the available data on needle exchange and bleach distribution programs, reaches conclusions about their efficacy, and offers concrete recommendations for public policy to reduce the spread of HIV/AIDS. The book includes current knowledge about the epidemiologies of HIV/AIDS and injection drug use; characteristics of needle exchange and bleach distribution programs and views on those programs from diverse community groups; and a discussion of laws designed to control possession of needles, their impact on needle sharing among injection drug users, and their implications for needle exchange programs.
Author:
Publisher:
ISBN: 9780815332183
Category : Cells
Languages : en
Pages : 0
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Book Description
Author: Yuping Wang
Publisher: Biota Publishing
ISBN: 1615047514
Category : Medical
Languages : en
Pages : 126
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Book Description
The placenta is an organ that connects the developing fetus to the uterine wall, thereby allowing nutrient uptake, waste elimination, and gas exchange via the mother's blood supply. Proper vascular development in the placenta is fundamental to ensuring a healthy fetus and successful pregnancy. This book provides an up-to-date summary and synthesis of knowledge regarding placental vascular biology and discusses the relevance of this vascular bed to the functions of the human placenta.
Author: George A. Fontanills
Publisher: John Wiley & Sons
ISBN: 0470447931
Category : Business & Economics
Languages : en
Pages : 408
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Book Description
In this fully updated book, options trading innovator George Fontanills arms you with the knowledge and skills youneed to unleash the phenomenal power of your computer to become a successful online options trader. Following a concise review of the basics of online trading--including hardware and software requirements and essential online resources--Fontanills cuts to the chase with step-by-step coverage of proven managed risk option trading strategies. Specifically designed for online traders, these tested off-floor techniques provide you with a sure-fire method for consistently building up your trading account. Drawing upon his years as a leading international options educator, Fontanills makes it easy for you to master online options trading by walking you through a series of hypothetical trades that demonstrate how to compute the maximum risk, maximum profit, breakevens, and exit alternatives for each strategy. Trade Options Online also includes a comprehensive guide to fundamental and technical analysis methodologies, a detailed list of the best financial resources, websites analyzed from the point of view of an online options trader, and a review of the most popular online brokerages. Trade Options Online is your complete guide to earning a living and making a killing as an online options trader.
Author: Tony Redmond
Publisher: Elsevier
ISBN: 0080491863
Category : Computers
Languages : en
Pages : 960
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Book Description
Providing thorough coverage of implementation, migration and management issues for Exchange 2000 and 2003, this book also describes the best practices of one of the largest Exchange consulting groups outside Microsoft. This revised edition features key updates based on two years of consulting practices from Exchange 2000 service packs and the new Exchange 2003 (code name Titanium) release. It also offers expanded coverage of performance and updated coverage of clustering issues. It has been cleared of out-of-date material and the coverage of basic introductory material has been streamlined.*Expanded coverage of SharePoint Portal server MS Office XP and .Net (Dot Net) issues *Revised and updated coverage of clustering issues *Streamlined coverage of basic introductory material
