Gastrointestinal Disorders
Gastric diseases refer to diseases affecting the stomach. Inflammation of the stomach by infection from any reason is called gastritis, and when including other parts of the gastrointestinal tract called gastroenteritis. When gastritis persists in a chronic state, it is related with numerous diseases, counting atrophic gastritis, pyloric stenosis, and gastric cancer. Another common condition is gastric ulceration, peptic ulcers. Ulceration erodes the gastric mucosa, which defends the tissue of the stomach from the stomach acids. Peptic ulcers are most commonly caused by a bacterial Helicobacter pylori infection. Congenital disorders of the stomach include pernicious anaemia, in which a battered
immune response against parietal
cells results in an inability to absorb vitamin B12. As well as peptic ulcers, vomiting blood may consequence from abnormal arteries or veins that have split, counting Dieulafoy's lesion and Gastric antral vascular ectasia.
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