Sphincters

Author : Ravinder Mittal
Publisher : Morgan & Claypool Publishers
ISBN 13 : 1615043330
Total Pages : 87 pages
Book Rating : 4.30/5 ( download)

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Download or read book Motor Function of the Pharynx, Esophagus, and Its Sphincters written by Ravinder Mittal and published by Morgan & Claypool Publishers. This book was released on 2011 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: Deglutition or a swallow begins as a voluntary act in the oral cavity but proceeds autonomously in the pharynx and esophagus. Bilateral sequenced activation and inhibition of more than 25 pairs of muscles of mouth, pharynx, larynx, and esophagus is required during a swallow. A single swallow elicits peristalsis in the pharynx and esophagus along with relaxation of upper and lower esophageal sphincters. Multiple swallows, at closely spaced time intervals, demonstrate deglutitive inhibition; sphincters remain relaxed during the entire period, but only the last swallow elicits peristalsis. Laryngeal inlet closure or airway protection is very important during swallow. Upper part of the esophagus that includes upper esophageal sphincter is composed of skeletal muscles, middle esophagus is composed of a mixture of skeletal and smooth muscles, and lower esophagus, including lower esophageal sphincter, is composed of smooth muscles. Peristalsis progresses in seamless fashion, despite separate control mechanism, from the skeletal to smooth muscle esophagus. The esophagus's circular and longitudinal muscle layers contract synchronously during peristalsis. Sphincters maintain continuous tone; neuromuscular mechanisms for tonic closure in the upper and lower esophageal sphincters are different. Lower esophageal sphincter transient relaxation, belching mechanism, regurgitation, vomiting, and reflux are mediated via the brain stem. Table of Contents: Introduction / Central Program Generator and Brain Stem / Pharynx-Anatomy, Neural Innervation, and Motor Pattern / Upper Esophageal Sphincter / Neuromuscular Anatomy of Esophagus and Lower Esophageal Sphincter / Extrinsic Innervation: Parasympathetic and Sympathetic / Interstitial Cells of Cajal / Recording Techniques / Motor Patterns of the Esophagus-Aboral and Oral Transport / Deglutitive Inhibition and Muscle Refractoriness / Peristalsis in the Circular and Longitudinal Muscles of the Esophagus / Neural and Myogenic Mechanism of Peristalsis / Central Mechanism of Peristalsis-Cortical and Brain Stem Control / Peripheral Mechanisms of Peristalsis / Central Versus Peripheral Mechanism of Deglutitive Inhibition / Neural Control of Longitudinal Muscle Contraction / Modulation of Primary and Secondary Peristalsis / Neural Control of Lower Esophageal Sphincter and Crural Diaphragm / Lower Esophageal Sphincter / Swallow-Induced LES Relaxation / Crural Diaphragm Contribution to EGJ and Neural Control / Transient LES Relaxation and Pharmacological Inhibition / Compliance of the EGJ / References

Author : Abdul H Sultan
Publisher : Springer Science & Business Media
ISBN 13 : 1846285038
Total Pages : 196 pages
Book Rating : 4.35/5 ( download)

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Download or read book Perineal and Anal Sphincter Trauma written by Abdul H Sultan and published by Springer Science & Business Media. This book was released on 2007-03-20 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book clarifies and explains perineal anatomy and the pathophysiology of anal incontinence as well as applied pharmacology. It also institutes the new recommended classification of perineal tears, and describes anal sphincter repair techniques. The emphasis is on correct post-operative management, management of pregnancy following previous anal sphincter injury, and prevention of anal sphincter tears. The book will interest students, colorectal surgeons, physiotherapists, midwives, continence advisors, labour wards and lawyers.

Author : Carlo Ratto
Publisher : Springer Science & Business Media
ISBN 13 : 8847006376
Total Pages : 353 pages
Book Rating : 4.79/5 ( download)

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Download or read book Fecal Incontinence written by Carlo Ratto and published by Springer Science & Business Media. This book was released on 2007-06-08 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fecal incontinence is a common and embarrassing condition with a devastating impact on patients’ lives. Since it may result from a variety of pathophysiological situations, an accurate diagnostic work-up is crucial. A range of therapies is available, but choosing the correct option is pivotal to successful management. This book reviews the latest advances in the epidemiologic, socio-economic, psychological, diagnostic, and therapeutic aspects of fecal incontinence, helping to establish effective treatment guidelines.

Author : Edwin E. Daniel
Publisher : CRC Press
ISBN 13 : 9780849367489
Total Pages : 470 pages
Book Rating : 4.84/5 ( download)

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Download or read book Sphincters written by Edwin E. Daniel and published by CRC Press. This book was released on 1992-04-01 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sphincters: Normal Function-Changes in Diseases is the first book devoted to sphincter function in health and disease. It provides basic information about the function of sphincters and their physiological controls, as well as a comprehensive examination of the various sphincters in the body. The book also presents the current understanding of disordered control of sphincter function in disease. Sphincters: Normal Function-Changes in Diseases is an important acquisition for scientists, physicians, and medical students interested in sphincter function and how to treat their disorders.

Author : Hwee Ming Cheng
Publisher : Springer Nature
ISBN 13 : 3030622851
Total Pages : 104 pages
Book Rating : 4.55/5 ( download)

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Download or read book Defining Physiology: Principles, Themes, Concepts. Volume 2 written by Hwee Ming Cheng and published by Springer Nature. This book was released on 2021-01-12 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second volume of Defining Physiology: Principles, Themes, Concepts. continues on the same format as the first. In this new release, a selection of 44 essential topics in each major organ system is defined, then major themes, concept and principles surrounding these words in their physiologic scenarios are elaborated. For each keyword, a question is posed at the end of the text to test for a better understanding of the associated physiology of nervous and gastrointestinal systems. This book presents an easy reference guide for those just starting out in the area of physiology and for those who are interested in clear and succinct definitions of key terms.

Author : Woody Miller
Publisher : Woodpecker Media
ISBN 13 :
Total Pages : pages
Book Rating : 4./5 ( download)

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Download or read book Loosen Your Sphincter In Less Than 60 Seconds written by Woody Miller and published by Woodpecker Media. This book was released on 2018-05-31 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Loosen Your Sphincter In Less Than :60Teach yourself a wildly clever way to completelyand involuntarily relax your sphincter muscle. It's NOT kegels, a breathing technique, or progressive muscle relaxation. Say hello to pain-free anal sex! You Can Loosen Your Sphincter In Less Than 60 Seconds Without putting yourself in some weird position. Or taking drugs. Or using poppers. Or drinking alcohol. You can do it by simply introducing yourself to a technique that causes the sphincter to release involuntarily. You read that right. Involuntarily. It means your sphincter muscles relax without conscious effort. Without telling yourself to relax. Without using a breathing technique. Or progressive muscle relaxation. Without kegels. Say Hello To The PNF TechniqueNeuromuscular specialists call it, “proprioceptive neuromuscular facilitation” or PNF. Don’t let the fancy-schmancy name fool you. It just refers to a “contraction/release” method that gives muscles like the sphincter no choice but to relax. Now, imagine what your sex life is going to look like if you have the power to relax your sphincter enough to have pain-free anal sex! As a sex columnist, I’ve answered thousands of questions over the course of my career and if t here’s one thing I’ve learned it’s that people don’t want acres and acres of explanation before getting down to essential information. That’s why you’ll notice that this is a short book. Very short. This is not an accident. I know when you ask for the time you don’t want to know how the watch was built. And so I’ve limited the information in this book strictly to answering a single question: How can you relax your sphincter enough to enjoy pain-free anal sex? If you want the history of enemas, a guide to anal wellness, an explanation of sexually transmitted diseases or the general care and feeding of the gluteus maximus you’re out of luck. QUICK! Do a Test! You ready to experience the involuntary release of your sphincter? Bring up the stopwatch feature in your smartphone right now and do this: Start the clock and clench your sphincter as hard as you can for as long as you can. In the next :60 do not, under any circumstances, consciously release your sphincter. Let me repeat that because it’s important: SQUEEZE HARD AND DO NOT LET GO NO MATTER WHAT. Ready? Set? GO! Here’s what typically happens: Stage 1 0 - :10 You feel fine. Stage 2 :11- :20 It’s a slight struggle keeping the sphincter tight. Stage 3 :21 - :30 It’s now a real struggle. Stage 4 :31 - :40 You’re running out of dilithium crystals to keep the tightness going! Stage 5 :41 - :50 It’s a Defcon 5 moment. You’re trying your hardest to keep it clenched but… Stage 6 :51 - :60 Your sphincter involuntarily releases despite consciously trying to keep it clenched. The vast majority of people’s sphincters release well before the 60-second mark. Women tend to be able to hold it longer because they are likelier to have done kegel exercises (especially if they’ve been pregnant), which strengthens the sphincter muscles. For the sake of argument, let’s say you can clench your sphincter for :55 before it involuntarily releases. What are we to do with this information? Scroll up, click the buy button and find out!

Author : Frank G. Gress
Publisher : John Wiley & Sons
ISBN 13 : 1444346288
Total Pages : 215 pages
Book Rating : 4.82/5 ( download)

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Download or read book Atlas of Endoscopic Ultrasonography written by Frank G. Gress and published by John Wiley & Sons. This book was released on 2011-09-23 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Atlas of Endoscopic Ultrasonography provides readers with a large collection of excellent images obtained from both diagnostic and therapeutic procedures. The Atlas includes a DVD which will be an invaluable addition to the library of trainee and practising gastroenterologists with video clips and searchable database of images. Together the book and DVD offer a first class collection of images to give a highly integrated introduction to endoscopic ultrasonography. The Atlas is an ideal companion to Dr Gress et al’s Endoscopic Ultrasonography, Second Edition.

Author : Paul A. Thomas
Publisher : Springer
ISBN 13 : 1349039403
Total Pages : 241 pages
Book Rating : 4.01/5 ( download)

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Download or read book Alimentary Sphincters and their Disorders written by Paul A. Thomas and published by Springer. This book was released on 1981-06-18 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Joe Tjandra
Publisher : John Wiley & Sons
ISBN 13 : 0470757795
Total Pages : 723 pages
Book Rating : 4.96/5 ( download)

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Download or read book Textbook of Surgery written by Joe Tjandra and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 723 pages. Available in PDF, EPUB and Kindle. Book excerpt: Textbook of Surgery is a core book for medical and surgicalstudents providing a comprehensive overview of general andspeciality surgery. Each topic is written by an expert in thefield. The book focuses on the principles and techniques of surgicalmanagement of common diseases. Great emphasis is placed onproblem-solving to guide students and junior doctors through theirsurgical training. Throughout the book are numerous reproducible line drawings,tables and boxes that will prove invaluable for learning andrevision. In addition there are detailed guidelines provided forsurgical management. Up-to-date and ideal for medical students and junior doctors onsurgical attachments and a perfect refresher for RACS and MRCScandidates. Reviews of the last edition “The textbook presents a compact and contemporary overviewand is not so much a reference book as a working tome suitable forfamiliarization with current trends in treatment and diagnosis inthese various areas. …found this textbook very informative and a pleasure toread.” ANZ Journal of Surgery Vol. 72, No. 12.

Author : Brooke Keefer
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781512126907
Total Pages : 184 pages
Book Rating : 4.0X/5 ( download)

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Download or read book The Sphincter of Oddi Dysfunction Survival Guide written by Brooke Keefer and published by Createspace Independent Publishing Platform. This book was released on 2016-07-18 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the first time ever, a patient-driven book has been written about Sphincter of Oddi Dysfunction (SOD). The Sphincter of Oddi Dysfunction Survival Guide is a groundbreaking resource every SOD patient, friend or family member of an SOD patient, GI doctor, primary care physician, naturopath, and functional medicine practitioner should read. Regardless if your SOD is mild or severe, you will find this guide helpful. This guide is a culmination of patient experiences, research, and the author's own personal experience with having SOD for 17 years. For 13 years, the author was misdiagnosed, unable to find a doctor to help her. Read about how she found good doctors, treatments that worked, and coping strategies that helped. In this book you will find information about: The science behind SOD, including information about anatomy, the three types of SOD, prevalence (affects women the most), and symptoms. The most common symptoms are pain in the upper right quadrant under the rib that sometimes radiates to the back and shoulder, and nausea or vomiting. The potential causes of SOD. SOD is most prevalent in people who had their gallbladders removed (post-cholecystectomy syndrome). Also learn how hormones and medications may contribute to SOD. Finding an SOD doctor and obtaining a diagnosis. Learn how to NOT waste your time with mediocre doctors or doctors who refuse to diagnose or treat SOD. Learn how to find the best doctors and about the most common tests used to diagnose SOD. SOD treatments, including natural remedies, medications, and procedural and surgical treatments. How to cope with SOD and live a quality life utilizing support groups, mental health therapy, spiritual support, and staying positive. Dealing with hospitals and healthcare professionals and how to become an empowered patient. The TRUTH about SOD your doctor and medical journals won't tell you.