© 2003 Science Press Internet Services FISIOLOGIA DIGESTIVA (BCM II) Clase 10: Fisiología del colon Dr. Michel Baró A.
© 2003 Science Press Internet Services The anatomy of the colon is shown
© 2003 Science Press Internet Services Circular and longitudinal muscle layers in colon
© 2003 Science Press Internet Services The layers of the colonic wall are shown
© 2003 Science Press Internet Services Normal colonic mucosa in biopsy specimen
© 2003 Science Press Internet Services Maturation process of colonic epithelial cells (3 a 5 días)
© 2003 Science Press Internet Services A human rectal columnar epithelial cell
© 2003 Science Press Internet Services Arterial blood supply to the colon is shown
© 2003 Science Press Internet Services The venous system that drains the colon is shown
© 2003 Science Press Internet Services The extrinsic innervation of the colon
© 2003 Science Press Internet Services Intrinsic innervation of the colonic wall
© 2003 Science Press Internet Services Ganglia in submucosal and myenteric plexuses
© 2003 Science Press Internet Services Lymph nodal drainage of the colon and anus (a)
© 2003 Science Press Internet Services Lymph nodal drainage of the colon and anus (b)
© 2003 Science Press Internet Services Scintigraphic pattern of colonic transit
© 2003 Science Press Internet Services Time a substance spends in each region of colon
© 2003 Science Press Internet Services Distinct motor patterns as measured by manometry Contracciones de corta duración: estacionarias, de mezcla Contracciones de larga duración: estacionarias o migratorias breves Contracciones de gran amplitud: movimientos de masa
© 2003 Science Press Internet Services Patterns of migration of contractions
© 2003 Science Press Internet Services Presence and intensity of short-duration contractions
© 2003 Science Press Internet Services Colonic electrical control or slow-wave activity Borde submucoso Borde mientérico
© 2003 Science Press Internet Services Electrical activity from the human colon SSB: Short spike burst. LSB: Long spike burst. MLSB: Migrating long spike burst
© 2003 Science Press Internet Services Patterns of motor and myoelectric activity (perros)
© 2003 Science Press Internet Services Development of high-amplitude propagating contractions
© 2003 Science Press Internet Services Colonic contents and motor activity in colon
© 2003 Science Press Internet Services Motility of colon over 24-hour period Colonic motility index
© 2003 Science Press Internet Services Gastrocolonic motor response to meal ingestion
© 2003 Science Press Internet Services Fecal bolus in the colon has been postulated
© 2003 Science Press Internet Services Mediation of both limbs of colonic peristaltic reflex
© 2003 Science Press Internet Services Motor activity of colon modulated by vagal activity (ferret) Actividad fásica espontánea del colon proximal
© 2003 Science Press Internet Services Colonic motor function can be significantly altered Am J Med 1951
© 2003 Science Press Internet Services Summary of small intestinal and colonic fluid balance
© 2003 Science Press Internet Services Major electrolyte transport mechanisms
© 2003 Science Press Internet Services Proposed pathways of active sodium transport in colon (a)
© 2003 Science Press Internet Services Proposed pathways of active sodium transport in colon (b)
© 2003 Science Press Internet Services The colon exhibits a net secretion of potassium
© 2003 Science Press Internet Services Sodium absorption and potassium secretion
© 2003 Science Press Internet Services The colonic lumen possesses a luxuriant flora
© 2003 Science Press Internet Services Fecal flora organisms
© 2003 Science Press Internet Services The anatomy of the rectum and anus
© 2003 Science Press Internet Services The muscular arrangement of the levator ani muscles
© 2003 Science Press Internet Services The histology of the rectal and anal mucosae
© 2003 Science Press Internet Services The arterial blood supply specific for the anus
© 2003 Science Press Internet Services Factors necessary for maintenance of fecal continence
© 2003 Science Press Internet Services The pressure profile of the anal canal
© 2003 Science Press Internet Services Triple loop mechanism of external anal sphincter
© 2003 Science Press Internet Services Epithelial nerve endings provide a specialized system
© 2003 Science Press Internet Services Fecal continence aided by highly compliant rectum (a)
© 2003 Science Press Internet Services Fecal continence aided by highly compliant rectum (b)
© 2003 Science Press Internet Services The reflex responsiveness of the anal region Reflejo inhibitorio rectoanal
© 2003 Science Press Internet Services Defecation involves a coordinated interaction
© 2003 Science Press Internet Services Summary of muscular actions required for defecation
© 2003 Science Press Internet Services Manometric and electromyographic responses to defecation
© 2003 Science Press Internet Services Alteraciones motoras del colon
© 2003 Science Press Internet Services Sagittal view of anorectal anatomy
© 2003 Science Press Internet Services Incontinencia fecal
© 2003 Science Press Internet Services Anorectal continence mechanisms
© 2003 Science Press Internet Services Diagnostic studies for fecal incontinence
© 2003 Science Press Internet Services Diagnostic studies for fecal incontinence
© 2003 Science Press Internet Services Anorectal function in neurogenic disorders
© 2003 Science Press Internet Services Fecal incontinence associated with spinal cord injury
© 2003 Science Press Internet Services Anorectal findings in spinal cord injuries
© 2003 Science Press Internet Services Fecal incontinence associated with pudendal neuropathy (A)
© 2003 Science Press Internet Services Fecal incontinence associated with pudendal neuropathy (B)
© 2003 Science Press Internet Services Fecal incontinence associated with pudendal neuropathy (C)
© 2003 Science Press Internet Services Fecal incontinence associated with pudendal neuropathy (D)
© 2003 Science Press Internet Services External sphincter electromyographic patterns (A)
© 2003 Science Press Internet Services External sphincter electromyographic patterns (B)
© 2003 Science Press Internet Services External sphincter electromyographic patterns (C)
© 2003 Science Press Internet Services Pudendal nerve latencies
© 2003 Science Press Internet Services Anal endosonography
© 2003 Science Press Internet Services Normal anatomy as viewed by anal endosonography (A)
© 2003 Science Press Internet Services Normal anatomy as viewed by anal endosonography (B) Esfinterotomía (interno)
© 2003 Science Press Internet Services Normal anatomy as viewed by anal endosonography (C) Desgarro obstétrico
© 2003 Science Press Internet Services Anorectal manometry in fecal incontinence (A)
© 2003 Science Press Internet Services Anorectal manometry in fecal incontinence (B) normal
© 2003 Science Press Internet Services Biofeedback (A)
© 2003 Science Press Internet Services Biofeedback (B)
© 2003 Science Press Internet Services Constipación
© 2003 Science Press Internet Services Colonic scintigraphy (A)
© 2003 Science Press Internet Services Colonic scintigraphy (B)
© 2003 Science Press Internet Services Colonic transit of markers
© 2003 Science Press Internet Services Colonic transit patters in chronic constipation (A)
© 2003 Science Press Internet Services Colonic transit patters in chronic constipation (B)
© 2003 Science Press Internet Services Colonic motor activity can be studied (A)
© 2003 Science Press Internet Services Colonic motor activity can be studied (B)
© 2003 Science Press Internet Services Propagating contractions in healthy control subjects vs constipated
© 2003 Science Press Internet Services Colonic motility within 30 mins after breakfast
© 2003 Science Press Internet Services Distal bowel in Hirschsprung's disease (A)
© 2003 Science Press Internet Services Distal bowel in Hirschsprung's disease (B)
© 2003 Science Press Internet Services Balloon manometry
© 2003 Science Press Internet Services Idiopathic megacolon
© 2003 Science Press Internet Services Rectal compliance in idiopathic megarectum
© 2003 Science Press Internet Services Using the Schuster-type balloon manometer y puborectal
© 2003 Science Press Internet Services Pressure changes and electromyographic recordings
© 2003 Science Press Internet Services Rectocele (A)
© 2003 Science Press Internet Services Rectocele (B)
© 2003 Science Press Internet Services Subtotal colectomy with ileorectal anastomosis
© 2003 Science Press Internet Services Diagnostic or Rome criteria
© 2003 Science Press Internet Services Barium enema in irritable bowel syndrome patient
© 2003 Science Press Internet Services Emotions and colon motility
© 2003 Science Press Internet Services Emotions and colonic motility (A) Delay stressor motor EMG Pneumograma
© 2003 Science Press Internet Services Emotions and colonic motility (B)
© 2003 Science Press Internet Services Emotions and colonic motility (C)
© 2003 Science Press Internet Services Visceral sensations
© 2003 Science Press Internet Services A 73-year-old woman with constipation
© 2003 Science Press Internet Services Fin