Small bowel (small intestine)
Infectious disorders
Escherichia coli

Topic Completed: 1 August 2012

Revised: 12 March 2019

Copyright: 2003-2019,, Inc.

PubMed Search: Escherichia coli[TIAB] small bowel[TIAB]

Hanni Gulwani, M.B.B.S.
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Table of Contents
Definition / general
Cite this page: Gulwani H. Escherichia coli. website. Accessed January 26th, 2020.
Definition / general
  • Causes traveler's diarrhea (watery diarrhea, hemorrhagic colitis / hemolytic uremic syndrome)
  • Different types of E. coli infection:
    • Enterotoxigenic: cholera-like, not invasive, from food or water, toxins activate adenylate cyclase and guanylate cyclase
    • Enterohemorrhagic: shiga-like toxin, not invasive, from undercooked beef
    • Enteropathogenic: enterocyte effacement, no invasion, from weaning foods, water; fatal diarrhea in newborns, colonize proximal small intestine
    • Enteroinvasive: invasion and local spread, from cheese, water, person to person spread
    • Enteroadherent: noninvasive, adherent to epithelial brush border; chronic prolonged diarrhea, villous atrophy
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