Neural Control Of Circulation
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Neural Control Of Circulation
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Author : Maysie Hurnes
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Neural Control Of Circulation written by Maysie Hurnes and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
Neural Control of Circulation presents an in-depth view of specialized areas in the neural regulation of the circulatory system that have been the subject of intensive research, the historical basis and theory from which those investigations evolved, and directions for future studies. Special emphasis is placed on critical evaluation of the experimental data in each field of research. This volume is comprised of seven chapters and begins with a synthesis of a large number of studies undertaken using conscious animals, particularly those that focuses on the behavioral and cerebral control of cardiovascular function. The second chapter explores the role of the brain stem and cerebellum in cardiovascular control. Next, specific research areas concerning bulbospinal control of sympathetic nerve discharge are discussed. This is followed by a chapter devoted to the nucleus tractus solitarii and experimental neurogenic hypertension. A concept in potential hypertensive mechanisms involving long-term transsynaptic regulation of adrenal medullary function is also described, and the neural control of the circulation during hypoxia is considered. Finally, aspects of central nervous system pharmacology and regulation of circulation are examined. This book is designed for individuals who are interested in the cardiovascular system and its function, and should also prove useful to students and researchers in physiology and individuals in other ancillary areas of bioscience.
Cardiovascular Physiology
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Author : Arisztid G. B. Kovách
language : en
Publisher:
Release Date : 1981
Cardiovascular Physiology written by Arisztid G. B. Kovách and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Biological control systems categories.
Report Of The Hypertension Task Force Current Research And Recommendations From The Task Force Subgroups On Neural Control Of The Circulation Vascular Smooth Muscle Nerve Terminals
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Author : National Heart, Lung, and Blood Institute. Hypertension Task Force
language : en
Publisher:
Release Date : 1979
Report Of The Hypertension Task Force Current Research And Recommendations From The Task Force Subgroups On Neural Control Of The Circulation Vascular Smooth Muscle Nerve Terminals written by National Heart, Lung, and Blood Institute. Hypertension Task Force and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Hypertension categories.
Neural Control Of Renal Function Second Edition
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Author : Ulla C. Kopp
language : en
Publisher: Biota Publishing
Release Date : 2018-07-17
Neural Control Of Renal Function Second Edition written by Ulla C. Kopp and has been published by Biota Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-17 with Science categories.
The kidney is innervated with efferent sympathetic nerve fibers reaching the renal vasculature, the tubules, the juxtaglomerular granular cells, and the renal pelvic wall. The renal sensory nerves are mainly found in the renal pelvic wall. Increases in efferent renal sympathetic nerve activity reduce renal blood flow and urinary sodium excretion by activation of α1-adrenoceptors and increase renin secretion rate by activation of β1-adrenoceptors. In response to normal physiological stimulation, changes in efferent renal sympathetic nerve activity contribute importantly to homeostatic regulation of sodium and water balance. The renal mechanosensory nerves are activated by stretch of the renal pelvic tissue produced by increases in renal pelvic tissue of a magnitude that may occur during increased urine flow rate. Under normal conditions, the renal mechanosensory nerves activated by stretch of the sensory nerves elicits an inhibitory renorenal reflex response consisting of decreases in efferent renal sympathetic nerve activity leading to natriuresis. Increasing efferent sympathetic nerve activity increases afferent renal nerve activity which, in turn, decreases efferent renal sympathetic nerve activity by activation of the renorenal reflexes. Thus, activation of the afferent renal nerves buffers changes in efferent renal sympathetic nerve activity in the overall goal of maintaining sodium balance. In pathological conditions of sodium retention, impairment of the inhibitory renorenal reflexes contributes to an inappropriately increased efferent renal sympathetic nerve activity in the presence of sodium retention. In states of renal disease or injury, there is a shift from inhibitory to excitatory reflexes originating in the kidney. Studies in essential hypertensive patients have shown that renal denervation results in long-term reduction in arterial pressure, suggesting an important role for the efferent and afferent renal nerves in hypertension.
Report Of The Hypertension Task Force
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Author : National Heart, Lung, and Blood Institute. Hypertension Task Force
language : en
Publisher:
Release Date : 1979
Report Of The Hypertension Task Force written by National Heart, Lung, and Blood Institute. Hypertension Task Force and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.
Cardiovascular Physiology Neural Control Mechanisms
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Author : A. G. B. Kovách
language : en
Publisher: Elsevier
Release Date : 2014-03-28
Cardiovascular Physiology Neural Control Mechanisms written by A. G. B. Kovách and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-28 with Medical categories.
Cardiovascular Physiology Neural Control Mechanisms contains the proceedings of the symposia of the 28th International Congress of Physiology held in Budapest between 13 and 19 of July, 1980. Organized into six parts, this book begins with an elucidation of the integrative role of the autonomic nervous system in the regulation of cardiovascular function. Parts II and III explain neural reflex control of the heart and cerebral blood flow regulation. Nervous control of the microcirculation and control of vascular capacitance in man and animals are then discussed. The last part focuses on the reflex control of the circulation in man.
Regulation Of Tissue Oxygenation Second Edition
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Author : Roland N. Pittman
language : en
Publisher: Biota Publishing
Release Date : 2016-08-18
Regulation Of Tissue Oxygenation Second Edition written by Roland N. Pittman and has been published by Biota Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-18 with Medical categories.
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.
Reflex Control Of The Circulation
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Author : Irving H. Zucker
language : en
Publisher: CRC Press
Release Date : 2020-02-03
Reflex Control Of The Circulation written by Irving H. Zucker and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-03 with Medical categories.
Reflex Control of the Circulation presents an interdisciplinary discussion of concepts in the reflex control of circulation. This volume describes aspects of autonomic receptor physiology, central pathways of reflex control, the electrophysiology of cardiovascular afferents, the interaction between reflexes, the autonomic control of regional blood flows, the autonomic control of fluid and electrolyte balance, and neurohumoral control of the circulation through normal and pathological states (e.g., hypertension, congestive heart failure). In addition, the regulation of regional blood flow during exercise and developmental aspects of reflex control are examined. Any researcher interested in the autonomic system and its role in circulation will find this book fascinating reading.
The Cerebral Circulation
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Author : Marilyn J. Cipolla
language : en
Publisher: Biota Publishing
Release Date : 2016-07-28
The Cerebral Circulation written by Marilyn J. Cipolla and has been published by Biota Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-07-28 with Medical categories.
This e-book will review special features of the cerebral circulation and how they contribute to the physiology of the brain. It describes structural and functional properties of the cerebral circulation that are unique to the brain, an organ with high metabolic demands and the need for tight water and ion homeostasis. Autoregulation is pronounced in the brain, with myogenic, metabolic and neurogenic mechanisms contributing to maintain relatively constant blood flow during both increases and decreases in pressure. In addition, unlike peripheral organs where the majority of vascular resistance resides in small arteries and arterioles, large extracranial and intracranial arteries contribute significantly to vascular resistance in the brain. The prominent role of large arteries in cerebrovascular resistance helps maintain blood flow and protect downstream vessels during changes in perfusion pressure. The cerebral endothelium is also unique in that its barrier properties are in some way more like epithelium than endothelium in the periphery. The cerebral endothelium, known as the blood-brain barrier, has specialized tight junctions that do not allow ions to pass freely and has very low hydraulic conductivity and transcellular transport. This special configuration modifies Starling's forces in the brain microcirculation such that ions retained in the vascular lumen oppose water movement due to hydrostatic pressure. Tight water regulation is necessary in the brain because it has limited capacity for expansion within the skull. Increased intracranial pressure due to vasogenic edema can cause severe neurologic complications and death.
Noninvasive Methods To Study Autonomic Nervous Control Of Circulation
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Author : Ari Lindqvist
language : en
Publisher:
Release Date : 1990
Noninvasive Methods To Study Autonomic Nervous Control Of Circulation written by Ari Lindqvist and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Autonomic nervous system categories.