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Continencia y distensibilidad rectalR2CG Carlos Hernández Brito
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Anatomía de recto y ano
Zinner, M. Maingot´s abdominal operations, Chapter 24. Benign Disorders of the Anorectum
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Corman, Colon and rectal surgery, 5° ed, Chapter 1 - Anatomy and Embryology of the Anus, Rectum, and Colon
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Inervación
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Corman, Colon and rectal surgery, 5° ed, Chapter 1 - Anatomy and Embryology of the Anus, Rectum, and Colon
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MECANISMO DE LA DEFECACIÓN Volumen de las heces, consistencia Función de reservorio Esfínteres Componentes sensoriales Rectal, anal, las vías neuronales y los
reflejos Factores mecánicos Ángulos Las válvulas Flap Cuerpo cavernoso del ano
Gordon. Principles and Practice of the Surgery for the Colon, Rectum and Anus.Third Edition 2007
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Reservorio
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Esfinter anal interno
• 52 al 85% presión • 30% actividad
tónica• 45% actividad
inducida poractividad nerviosa• 10% actividad
miogénica• 15% plexos
hemorroidalesGordon. Principles and Practice of the Surgery for the Colon, Rectum and Anus.Third Edition 2007
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Reflejo de muestreo
Corman, Colon and rectal surgery, 5° ed, Chapter 1 - Anatomy and Embryology of the Anus, Rectum, and Colon
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Corman, Colon and rectal surgery, 5° ed, Chapter 1 - Anatomy and Embryology of the Anus, Rectum, and Colon
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Corman, Colon and rectal surgery, 5° ed, Chapter 1 - Anatomy and Embryology of the Anus, Rectum, and Colon
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Corman, Colon and rectal surgery, 5° ed, Chapter 6 - Setting up a Colorectal Physiology Laboratory
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Teorías del flutter y el flap
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Advances in Diagnostic Assessment of Fecal Incontinence and Dyssynergic Defecation, SATISH S. C. RAO, CLINICAL GASTROENTEROLOGY AND HEPATOLOGY 2010;8:910–919
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• Relajación del esfínter interno• Contracción del esfínter externo• Se abre el ángulo recto anal por posición• Valsalva y aumento presión intraabdominal que
vence la presión del esfínter externo• Desciende el piso pélvico• Aumento presión intrarectal• Sale el bolo fecal