Translations:Acute diarrhea/3/en

Gasterointestinal anatomy.

Layers of the Alimentary Canal. The wall of the alimentary canal has four basic tissue layers: the mucosa, submucosa, muscularis, and serosa.

• Almost all true diarrheal emergencies are of noninfectious origin
• 85% of diarrhea is infectious in etiology
  • Viruses cause vast majority of infectious diarrhea
  • Bacterial causes are responsible for most cases of severe diarrhea
    • Foreign travel associated with 80% probability of bacterial diarrhea (see Traveler's Diarrhea)