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.
1 A peptic ulcer is an erosion or sore in the wall of the gastrointestinal tract. 2  The mucous membrane lining the digestive tract erodes and causes a gradual breakdown of tissue. 3  This breakdown causes a gnawing or burning pain in the upper middle part of the belly (abdomen).