Opposed to environmental preservation and restoration â¢The opposite of green: The chairman of the Council of Economic Advisers is judged brown, rather than green, on the issue of timetables for climate control (1990s+)
Peptic ulcer disease (PUD), also known as a peptic ulcer or stomach ulcer, is a break in the lining of the stomach, first part of the small intestine, or occasionally the lower esophagus.n ulcer in the stomach is known as a gastric ulcer while that in the first part of the intestines is known as a duodenal ulcer. The most common symptoms are waking at night with upper abdominal pain or upper abdominal pain that improves with eating. The pain is often described as a burning or dull ache.
Peptic Ulcer Disease - Topic Overview. A peptic ulcer is a sore in the inner lining of the stomach or upper small intestine . Ulcers form when the intestine or stomach's protective layer is broken down. When this happens, digestive juices-which contain hydrochloric acid and an enzyme called pepsin-can damage the intestine or stomach tissue.