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The gastric mucosal barrier is the property of the stomach that allows it to safely contain the gastric acid required for digestion. If the barrier is broken, as by acetylsalicylic acid (ASA, aspirin) in acid solution, acid diffuses back into the mucosa where it can cause damage to the stomach itself.
Stomach cancer, also known as gastric cancer, is a malignant tumor of the stomach. It is a cancer that develops in the lining of the stomach . [ 10 ] Most cases of stomach cancers are gastric carcinomas , which can be divided into a number of subtypes, including gastric adenocarcinomas . [ 2 ]
For localized cancer cases, antrectomy can eliminate early-stage cancer in the third (lower) portion of the stomach. Moreover, antrectomy is able to treat PUD and GOO by the removal of malignant tissues which controls early-stage gastric cancer while retaining sufficient portions of the stomach for adequate digestion and nutrition uptake.
The stomach is an organ of the gastrointestinal tract that sits in the abdomen. [1] Tumors of the stomach are known as gastric tumors, and can be either benign or malignant (gastric cancer). These tumors arise from the cells of the gastric mucosa which lines the stomach. Typically, most gastric tumors are cancerous and not detected until a ...
Diagram of the alkaline mucous layer in the stomach with mucosal defense mechanisms. The gastric mucosa is the mucous membrane layer of the stomach, which contains the gastric pits, to which the gastric glands empty. In humans, it is about one mm thick, and its surface is smooth, soft, and velvety.
The nutrient has been shown to help guard against breast cancer, while a diet rich in vitamin A has been linked to a lower risk for squamous cell carcinoma, a common form of skin cancer.
Pepsin is a protease that can digest and damage stomach cells. To prevent these disastrous effects, mucus and bicarbonate ions (HCO 3 −) are secreted by the foveolar cells. The mucus allows the acid at pH above 4 to penetrate lining, but below pH 4 (i.e. when acid is more concentrated) the acid cannot penetrate the mucus.
Pancreatic cancer is the fifth most-common cause of cancer-related deaths in the United States, [8] and the seventh most-common in Europe. [9] In 2008, globally there were 280,000 new cases of pancreatic cancer reported and 265,000 deaths. [10] These cancers are classified as endocrine or nonendocrine tumors. The most common is ductal ...
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