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Author: G. Nahas Publisher: Springer Science & Business Media ISBN: 1461298318 Category : Medical Languages : en Pages : 392
Book Description
Wallace O. Fenn (1893-1971) The proceedings of the satellite sym encompass the whole of physiology. His con posium of the XXV International Congress tributions over 50 years covered four main of Physiology on "C0 and Metabolic eras in the development of physiology: 2 Regulations" are dedicated to Wallace muscle, electrolyte, respiratory, and hyper Osgood Fenn. Dr. Fenn had agreed to be baric study. honorary conference chairman of this meet The study of muscle contraction started ing, but was unable to attend because of the in 1922 when Fenn became the first American to work in A. V. Hill's laboratory. Fenn illness from which he died two months later concluded this work by saying, " ... There on September 20, 1971. Wallace O. Fenn was born of an old is a fairly good quantitative relation between New England family in Lanesboro, Massa the heat production of muscles and the work chusetts on August 27, 1893. His father was which they perform; and a muscle which does dean of the Divinity School at Harvard ~ork liberates, ipso facto, an extra supply of University. It was at Harvard that Fenn energy which does not appear in an isometric received his A.B. (1914) and his M.S. (1916). contraction." (Fenn [1923]). A. V. Hill referred to this as the "Fenn effect," and so He then started his Ph.D. thesis there under the plant physiologist W. J. V. Osterhout, it has been known ever since.
Author: G. Nahas Publisher: Springer Science & Business Media ISBN: 1461298318 Category : Medical Languages : en Pages : 392
Book Description
Wallace O. Fenn (1893-1971) The proceedings of the satellite sym encompass the whole of physiology. His con posium of the XXV International Congress tributions over 50 years covered four main of Physiology on "C0 and Metabolic eras in the development of physiology: 2 Regulations" are dedicated to Wallace muscle, electrolyte, respiratory, and hyper Osgood Fenn. Dr. Fenn had agreed to be baric study. honorary conference chairman of this meet The study of muscle contraction started ing, but was unable to attend because of the in 1922 when Fenn became the first American to work in A. V. Hill's laboratory. Fenn illness from which he died two months later concluded this work by saying, " ... There on September 20, 1971. Wallace O. Fenn was born of an old is a fairly good quantitative relation between New England family in Lanesboro, Massa the heat production of muscles and the work chusetts on August 27, 1893. His father was which they perform; and a muscle which does dean of the Divinity School at Harvard ~ork liberates, ipso facto, an extra supply of University. It was at Harvard that Fenn energy which does not appear in an isometric received his A.B. (1914) and his M.S. (1916). contraction." (Fenn [1923]). A. V. Hill referred to this as the "Fenn effect," and so He then started his Ph.D. thesis there under the plant physiologist W. J. V. Osterhout, it has been known ever since.
Author: Roland N. Pittman Publisher: Biota Publishing ISBN: 1615047212 Category : Medical Languages : en Pages : 117
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: G.S. Singhal Publisher: Springer Science & Business Media ISBN: 9401148325 Category : Science Languages : en Pages : 1018
Book Description
Photobiology is an important area of biological research since a very large number of living processes are either dependent on or governed by light that we receive from the Sun. Among various subjects, photosynthesis is one of the most important, and thus a popular topic in both molecular and organismic biology, and one which has made a considerable impact throughout the world since almost all life on Earth depends upon it as a source of food, fuel and oxygen. However, for growth of plants, light is equally essential, and research on photomorphogenesis has revealed exciting new developments with the application of newer molecular biological approaches. The present book brings together and integrates various aspects of photosynthesis, biology of pigments, light regulation of chloroplast development, nuclear and chloroplast gene expression, light signal transduction, other photomorphogenetic processes and some photoecological aspects under one cover. The chapters cover biochemical and molecular discussions of most of the above topics in a comprehensive manner and include a wide range of `hot topics' that are currently under investigation in the field of photobiology of cyanobacteria, algae and plants. The authors of this book are selected international authorities in their fields from USA, Europe, Australia and Asia. The book is designed primarily to be used as a text book by graduates and post-graduates. It is, however, also intended to be a resource book for new researchers in plant photobiology. Several introductory chapters are designed as suitable reading for undergraduate courses in integrative and molecular biology, biochemistry and biophysics.
Author: J. S. Gravenstein Publisher: Cambridge University Press ISBN: 1139494333 Category : Medical Languages : en Pages : 489
Book Description
In recent years capnography has gained a foothold in the medical field and is fast becoming a standard of care in anaesthesiology and critical care medicine. In addition, newer applications have emerged which have expanded the utility of capnographs in a number of medical disciplines. This new edition of the definitive text on capnography reviews every aspect of this valuable diagnostic technique. An introductory section summarises the basic physiology of carbon dioxide generation and transport in the body. A technical section describes how the instruments work, and a comprehensive clinical section reviews the use of capnography to diagnose a wide range of clinical disorders. Edited by the world experts in the technique, and with over 40 specialist contributors, Capnography, second edition, is the most comprehensive review available on the application of capnography in health care.
Author: G. Nahas
Author: G. Nahas
Author: Karl Ernst Schaefer
Author: Gabriel G. Nahas
Author: Roland N. Pittman
Author: Gabriel G. Nahas
Author: Gabriel George Nahas (Pharmakologe, Aegypten, USA)
Author: G.S. Singhal
Author: Gabriel G. Nahas
Author: J. S. Gravenstein
Author: G. Nahas