Physiology

Folder Physiology

Documents

video Management of syndromes of disordered defecation: New developments in anorectal function testing

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Emma Carrington (United Kingdom) at ESCP Vilnius 2023

video Management of syndromes of disordered defecation: New insights into the physiology of continence and evacuation

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Charles Knowles (United Kingdom) at ESCP Vilnius 2023

document Physiology of Colon, Rectum, and Anus (Chapter 3, European Manual of Medicine: Coloproctology Second Edition) Popular

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The main functions of the colon and rectum are transport and storage of feces, absorption of water and electrolytes, and absorption of short-chain fatty acids. The colon and rectum have specific contraction patterns that are mainly controlled by the enteric nervous system. Furthermore, colorectal contractions are modulated by the sympathetic and parasympathetic nervous systems, several hormones, and the immune system. The physiology of the colon and rectum undergoes diurnal and postprandial changes.

Anal continence depends on complicated interactions between the internal and external anal sphincters, the puborectalis muscle, rectal compliance, anorectal sensibility, anorectal reflexes, and colorectal motility.

Defecation is usually initiated by colonic mass movements. Stretching of the rectal wall stimulates rectal contractions through the defecation reflex and relaxation of the internal anal sphincters through the rectoanal inhibitory reflex. Defecation is facilitated by relaxation of the puborectalis muscle and enforced by a Valsalva maneuver.

video The influence of obesity on postoperative outcomes following Hartmann reversal

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Free Paper (Miscellaneous) - Andrew Werner at ESCP Dublin 2015

video The effects of perioperative non-steroidal anti-inflammatory drugs (NSAIDs) in major gastrointestinal surgery: a multicentre, prospective cohort study

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Free Paper (Miscellaneous) - STARSurg Collaborative (Student Audit and Research Collaborative) at ESCP Dublin 2015

video A randomised controlled trial on the use of Coca-Cola Zero

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Oral Poster (Miscellaneous and Neoplasia) - Isaac Seow-En at ESCP Dublin 2015

pdf Variation in parenteral nutrition procedures: time for a unified approach?

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Short Paper - Mia Small (UK) at Tripartite Colorectal Meeting 2014

pdf Faecal microrna abundance analysis for the detection of colorectal pathology

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Short Paper - Deborah Wright (New Zealand) at Tripartite Colorectal Meeting 2014

pdf Mesocolic mesothelium displays pluripotentialism when cultured ex-vivo- implications for gastrointestinal pathologies

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Short Paper - Shaheel Sahebally (Ireland) at Tripartite Colorectal Meeting 2014

video Rectal hyposensitivity: clinical presentation, physiological findings and potential causative factors. A 5-year single centre experience

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Oral poster - Michael Feretis at ESCP Belgrade 2013

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