Úlceras

El estómago es el órgano del sistema digestivo en el que los alimentos provenientes del esófago son descompuestos aún más antes de que sus nutrientes sean absorbidos en el intestino delgado. Produce ácido y diversas enzimas que pueden descomponer los alimentos en sustancias más simples. Las paredes internas del estómago están protegidas del ácido y las enzimas por un recubrimiento mucoso. Las úlceras tienen lugar cuando hay un desequilibrio entre los jugos gástricos producidos por el estómago y los diversos factores que protegen el recubrimiento del estómago. Entre los síntomas de las úlceras se encuentra la hemorragia. Rara vez, la úlcera puede corroer completamente las paredes del estómago. Una de las principales causas de úlcera estomacal es la bacteria llamada Helicobácter pylori.

Version Info

  • Last reviewed on 8/11/2011
  • George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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This page was last updated: May 20, 2014

         
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