The Colon Goes Up Over Down And Out
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The Colon Goes Up Over Down And Out
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Author : Annabel Hecht
language : en
Publisher:
Release Date : 1984
The Colon Goes Up Over Down And Out written by Annabel Hecht and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Colon (Anatomy) categories.
The Colon Goes Up Over Down And Out
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Author : Annabel Hecht
language : en
Publisher:
Release Date : 1989
The Colon Goes Up Over Down And Out written by Annabel Hecht and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Colon (Anatomy) categories.
The Colon Goes Up Over Down And Out
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Author : Annabel Hecht
language : en
Publisher:
Release Date : 1984
The Colon Goes Up Over Down And Out written by Annabel Hecht and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Colon (Anatomy) categories.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date :
Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Government publications categories.
1000s Of Free Thing
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Author : Outlet
language : en
Publisher: Crescent
Release Date : 1986
1000s Of Free Thing written by Outlet and has been published by Crescent this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Reference categories.
Monthly Catalogue United States Public Documents
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Author :
language : en
Publisher:
Release Date : 1989
Monthly Catalogue United States Public Documents written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Government publications categories.
1 001 Medical Facts For Every Home
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Author :
language : en
Publisher:
Release Date : 1988
1 001 Medical Facts For Every Home written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Medical categories.
Fda Information For Consumers
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Author :
language : en
Publisher:
Release Date : 1986
Fda Information For Consumers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Consumer protection categories.
Colonic Motility
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Author : Sushil K. Sarna
language : en
Publisher: Biota Publishing
Release Date : 2010-11-01
Colonic Motility written by Sushil K. Sarna and has been published by Biota Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-01 with Medical categories.
Three distinct types of contractions perform colonic motility functions. Rhythmic phasic contractions (RPCs) cause slow net distal propulsion with extensive mixing/turning over. Infrequently occurring giant migrating contractions (GMCs) produce mass movements. Tonic contractions aid RPCs in their motor function. The spatiotemporal patterns of these contractions differ markedly. The amplitude and distance of propagation of a GMC are several-fold larger than those of an RPC. The enteric neurons and smooth muscle cells are the core regulators of all three types of contractions. The regulation of contractions by these mechanisms is modifiable by extrinsic factors: CNS, autonomic neurons, hormones, inflammatory mediators, and stress mediators. Only the GMCs produce descending inhibition, which accommodates the large bolus being propelled without increasing muscle tone. The strong compression of the colon wall generates afferent signals that are below nociceptive threshold in healthy subjects. However, these signals become nociceptive; if the amplitudes of GMCs increase, afferent nerves become hypersensitive, or descending inhibition is impaired. The GMCs also provide the force for rapid propulsion of feces and descending inhibition to relax the internal anal sphincter during defecation. The dysregulation of GMCs is a major factor in colonic motility disorders: irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), and diverticular disease (DD). Frequent mass movements by GMCs cause diarrhea in diarrhea predominant IBS, IBD, and DD, while a decrease in the frequency of GMCs causes constipation. The GMCs generate the afferent signals for intermittent short-lived episodes of abdominal cramping in these disorders. Epigenetic dysregulation due to adverse events in early life is one of the major factors in generating the symptoms of IBS in adulthood.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date : 1988
Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Government publications categories.