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This book presents a new method for analyzing the structure and function of the biological branching systems of fractal trees, with a focus on microcirculation. Branching systems in humans (vascular and bronchial trees) and those in the natural world (plants, trees, and rivers) are characterized by a fractal nature. To date, fractal studies have tended to concentrate on fractal dimensions, which quantify the complexity of objects, but the applications for practical use have remained largely unexplored. This book breaks new ground with topics that include the human retinal microcirculatory network, oxygen consumption by vascular walls, the Fåhraeus-Lindqvist effect, the bifurcation exponent, and the asymmetrical microvascular network. Readers are provided with simple formulas to express functions and a simulation graph with in vivo data. The book also discusses the mechanisms regulating blood flow and pressure and how they are related to pathological changes in the human body. Researchers and clinicians alike will find valuable new insights in these pioneering studies.
List of contents
Branching Systems of Fractal Vascular Trees.- A Theoretical Model for the Microcirculatory Network.- Oxygen Consumption by Vascular Walls in the Retinal Vasculature.- The Fåhraeus-Lindqvist Effect on the Retinal Microcirculation.- Effects of a Reduction in the Bifurcation Exponent from 3.00 to 2.85.- Asymmetrically B ranching Microvascular Networks
About the author
Dr. Takahashi obtained PhD degree in Faculty of Engineering, Graduate School of Engineering, School of Engineering Hokkaido University, Japan in 1993. He started his carrier as an assistant professor at Department of Electrical and Information Engineering (renamed as Department of Bio-system Engineering in 2000) of Yamagata University in the same year. He received ESM Travel Award by the European Society for Microcirculation in 1992. He moved to Department of Mathematical Information Science of Asahikawa Medical University as an associate professor in 2002.
Summary
This book presents a new method for analyzing the structure and function of the biological branching systems of fractal trees, with a focus on microcirculation. Branching systems in humans (vascular and bronchial trees) and those in the natural world (plants, trees, and rivers) are characterized by a fractal nature. To date, fractal studies have tended to concentrate on fractal dimensions, which quantify the complexity of objects, but the applications for practical use have remained largely unexplored. This book breaks new ground with topics that include the human retinal microcirculatory network, oxygen consumption by vascular walls, the Fåhraeus-Lindqvist effect, the bifurcation exponent, and the asymmetrical microvascular network. Readers are provided with simple formulas to express functions and a simulation graph with in vivo data. The book also discusses the mechanisms regulating blood flow and pressure and how they are related to pathological changes in the human body. Researchers and clinicians alike will find valuable new insights in these pioneering studies.
