The zone is named after one of the diagnostic species. Oppel zones are thus more flexible and subjective than concurrent range zones in the rigorously applied sense of that term, although the term âconcurrent range zoneâ is commonly used for what is, in fact, an Oppel zone.Cite this article. Pick a style below, and copy the text for your bibliography.he zone is named after one of the diagnostic species. Oppel zones are more flexible and subjective than concurrent range zones in the rigorously applied sense of that term, although âconcurrent range zoneâ is commonly used for what is in fact an Oppel zone. Cite this article.
The most frequent causes of abdominal pain are gastroenteritis (13%), irritable bowel syndrome (8%), urinary tract problems (5%), inflammation of the stomach (5%) and constipation (5%). In about 30% of cases, the cause is not determined.
Gastric ulcers, also called peptic ulcers, occur on the inside of your stomach and can cause quite a bit of pain. While physicians believe most of these sores are triggered by a bacteria, hot peppers and other foods that irritate the stomach may also inadvertently cause them.