An Atlas of Erectile Dysfunction, Second Edition by Roger S. Kirby PDF
By Roger S. Kirby
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Extra resources for An Atlas of Erectile Dysfunction, Second Edition (Encyclopedia of Visual Medicine)
Adequate calcium homeostasis is, therefore, fundamental to the normal regulation of smooth muscle tone. Three major mechanisms are involved: (1) Influx of extracellular calcium through voltageregulated channels; (2) Activation of membrane-bound receptors which allow extracellular calcium to enter through receptor-operated channels; (3) Activation of signal pathways which allow intracellular release of calcium from the sarcoplasmic reticulum. Relaxation of cavernosal smooth muscle may be thought of as ‘resetting’ the contractile machinery.
As the world’s population ages over the next few decades (Figure 35), the number of men who will suffer erectile dysfunction seems certain to rise. One problem for epidemiologists trying to quantify the extent and impact of erectile dysfunction is the frequent unwillingness of men to discuss the problem frankly. The accuracy of almost all data in this disease area is therefore impaired by the reluctance of many, particularly older, men to respond to what they regard as overly personal questions.
Uk. No part of this book may be reproduced in any form without permission from the publishers except for the quotation of brief passages for the purposes of review Composition by The Parthenon Publishing Group Page 5 Contents Foreword 7 Preface 9 Section 1 A Review of Erectile Dysfunction 11 Section 2 Erectile Dysfunction lllustrated 47 Index 107 Page 6 This page intentionally left blank. Page 7 Foreword It is a great pleasure for me to introduce this recently updated and beautifully constructed Atlas of Erectile Dysfunction.
An Atlas of Erectile Dysfunction, Second Edition (Encyclopedia of Visual Medicine) by Roger S. Kirby