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In anatomy, the stomach (in ancient Greek στόμαχος) is an organ in the gastrointestinal tract used to digest food. In general, the stomach's primary function is not the absorption of nutrients from digested food; this task is usually performed by the intestine. In most animals, the main job of the stomach is to break down large fat molecules into smaller ones, so that they can be absorbed into the intestines more easily. Latin names for the stomach include Ventriculus and Gaster; thus, many medical terms related to the stomach start in "gastro-" or "gastric".

In humans, the stomach is a highly acidic environment - maintained at pH 1.5 - 2 by the secretion of hydrochloric acid(HCl) - with peptidase digestive enzymes, primarily pepsin. Pepsinogen is secreted by chief cells of the stomach and the acidic environment activates pepsinogen to form pepsin. In fact, the stomach's interior can secrete 2 to 3 litres of gastric fluid per day.

Anatomy of the human stomach


The stomach lies between the esophagus and the first part of the small intestine (the duodenum). It is on the left side of the abdominal cavity, the fundus of the stomach lying against the diaphragm. Lying beneath the stomach is the pancreas, and the greater omentum hangs from the greater curvature.

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purple fingers, red lips and a stomach achhhhe
smcny911 (Stephanie Caruso) Thu, 05 Nov 2009 02:50:07 -0000
purple fingers, red lips and a stomach achhhhe
@peach_ long time no twit!!! LOVE HK...go shopping crazy and eat your little stomach away....safe n happy travels!!! =)
xppinkx (xppinkx) Thu, 05 Nov 2009 02:49:52 -0000
@peach_ long time no twit!!! LOVE HK...go shopping crazy and eat your little stomach away....safe n happy travels!!! =)
This Series is embarassing: man the Phils suck tonight this is getting hard 2 stomach
Jbroks86 (John Brooks) Thu, 05 Nov 2009 02:49:36 -0000
This Series is embarassing: man the Phils suck tonight this is getting hard 2 stomach
#realgangstashit kicking a pregnant principal in the stomach because she gave you detention
ajarrellhayes (A. Jarrell Hayes) Thu, 05 Nov 2009 02:49:34 -0000
#realgangstashit kicking a pregnant principal in the stomach because she gave you detention
Oh no. It is now 5-1 Yankees. I'm getting a stomach ache.
BenJanssen (Ben Janssen) Thu, 05 Nov 2009 02:49:32 -0000
Oh no. It is now 5-1 Yankees. I'm getting a stomach ache.
If more time wouldve liked to go to twoboots and opal Thai. That and no more stomach space for 2ppl and 1bunny
ShareYourTable (ShareYourTable.com) Thu, 05 Nov 2009 02:49:16 -0000
If more time wouldve liked to go to twoboots and opal Thai. That and no more stomach space for 2ppl and 1bunny

 
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Mayo Clinic: Hiatal Hernia - A description of the disease plus complications, risk factors, diagnosis, and treatment.
Meta Description: [ A hiatal hernia occurs when your stomach protrudes into your chest cavity. ]

MindXpansion - Informative site about gastritis, what it is, the symptoms, causes, causes and prevention.
Meta Description: [ Gastritis is an inflammation of the mucus membrane that lines the stomach. ]

The Pyloric Sphincteric Cylinder in Health and Disease - A full medical textbook on the stomach and pylorus, with topics on their physiology, anatomy and various pathologies.
Meta Description: [ The Pyloric Sphincteric Cylinder in Health and Disease ]

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