Download or read book The Cerebral Circulation written by Marilyn J. Cipolla and published by Biota Publishing. This book was released on 2016-07-28 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book The Brain Vascular System written by Harry A. Kaplan and published by . This book was released on 1966 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Advances in Brain Vascular Research written by Ana Clara Cristóvão and published by Cambridge Scholars Publishing. This book was released on 2020-07-24 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: The brain vasculature nurtures and regulates basic functions of the central nervous system (CNS), acting as a barrier against pathogens. This book provides in-depth and focused data on the characteristics, function and role of brain blood vessels in health and disease. It addresses topics such as vascular activity, cell-cell communication, and the role of the endothelium in the development of the most prevalent types of cerebrovascular disease, neurodegenerative disorders, cognitive impairment, and vascular abnormalities. It offers an updated view of the current state of microvascular biology and research, and thus supports the discovery of new therapeutic agents and procedures directed at several CNS disorders.
Download or read book The Brain Vascular System written by and published by . This book was released on 1966 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Collateral Circulation written by Wolfgang Schaper and published by Springer. This book was released on 2012-10-29 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Collateral blood vessels develop by growth of pre or newly formed structures in almost all vascular provinces as a consequence of progressing stenosis of the main artery. These alternative routes of blood supply are potentially able to alter the course of vascular disease. Collateral development is a time consuming process, and arterial stenosis and occlusion often progress faster than growth of the alternative routes. The authors' ultimate goal is to provide a better understanding of collateral growth in order to pave the way for improving the conditions for these potentially selfhealing processes. These were programmed by nature but have not been perfected, probably because defenses against arterial disease had not been put under the pressure of natural selection.
Download or read book The Matrix of the Mind written by Frederic Wood Jones and published by . This book was released on 1928 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neurology and psychology.
Download or read book Mind and Brain written by Thomas Laycock and published by . This book was released on 1860 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Quill written by and published by . This book was released on 1917 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cerebral Small Vessel Disease written by Leonardo Pantoni and published by Cambridge University Press. This book was released on 2014-05 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: Up-to-date discussion of the etiology, diagnosis, treatment, and prevention of this common cause of stroke and cognitive impairment.
Download or read book Medical record written by and published by . This book was released on 1885 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Human Brain Stem Vessels written by Henri M. Duvernoy and published by Springer. This book was released on 2010-12-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Compared to its predecessor, this new edition also includes figures relating to the superficial venous network of the brain stem, thus giving readers a more precise and complete view of the superficial brainstem vessels. It also includes a special study on the pineal or collicular region and a correlation between the vascular territories and MRI views of brainstem vascular diseases. The book provides a complete view of the vascularization of the brainstem in humans including the arteries, veins and capillary network, for the study of brainstem pathology.
Download or read book The Pathology of Mind written by Henry Maudsley and published by . This book was released on 1895 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cerebrovascular Neurosurgery written by Dr Peter Nakaji and published by Oxford University Press. This book was released on 2019-08-15 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Part of the Neurosurgery by Example series, this volume on cerebrovascular neurosurgery presents exemplary cases in which renowned authors guide readers through the assessment and planning, decision making, surgical procedure, after care, and complication management of common and uncommon disorders. The cases explore the spectrum of clinical diversity and complexity within cerebrovascular neurosurgery, including aneurysms, ischemic/occlusive disease, arteriovenous malformation, dural arteriovenous fistula, and more. Each chapter also contains 'pivot points' that illuminate changes required to manage patients in alternate or atypical situations, and pearls for accurate diagnosis, successful treatment, and effective complication management. Containing a focused review of medical evidence and expected outcomes, Cerebrovascular Neurosurgery is appropriate for neurosurgeons who wish to learn more about a subspecialty, and those preparing for the American Board of Neurological Surgery oral examination.
Download or read book The Human Brain written by William Bevan Lewis and published by . This book was released on 1882 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Digital Mind written by Arlindo Oliveira and published by MIT Press. This book was released on 2017-03-17 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: How developments in science and technology may enable the emergence of purely digital minds—intelligent machines equal to or greater in power than the human brain. What do computers, cells, and brains have in common? Computers are electronic devices designed by humans; cells are biological entities crafted by evolution; brains are the containers and creators of our minds. But all are, in one way or another, information-processing devices. The power of the human brain is, so far, unequaled by any existing machine or known living being. Over eons of evolution, the brain has enabled us to develop tools and technology to make our lives easier. Our brains have even allowed us to develop computers that are almost as powerful as the human brain itself. In this book, Arlindo Oliveira describes how advances in science and technology could enable us to create digital minds. Exponential growth is a pattern built deep into the scheme of life, but technological change now promises to outstrip even evolutionary change. Oliveira describes technological and scientific advances that range from the discovery of laws that control the behavior of the electromagnetic fields to the development of computers. He calls natural selection the ultimate algorithm, discusses genetics and the evolution of the central nervous system, and describes the role that computer imaging has played in understanding and modeling the brain. Having considered the behavior of the unique system that creates a mind, he turns to an unavoidable question: Is the human brain the only system that can host a mind? If digital minds come into existence—and, Oliveira says, it is difficult to argue that they will not—what are the social, legal, and ethical implications? Will digital minds be our partners, or our rivals?
Download or read book Medical Record written by George Frederick Shrady and published by . This book was released on 1885 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Developmental Alterations in the Vascular System of the Brain of the Human Embryo written by George L. Streeter and published by . This book was released on 197? with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
