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.
Sometimes, the stomach gas is held on to by the body. This can lead to cramping, abdominal pain and a distended abdomen. Abdominal gas is typically caused by diet, where gas producing foods are consumed in abundance. In fact, a buildup of abdominal gas whether, a byproduct of chewing gum and bloating or a meal comprised of beans is one of the most common causes of stomach pain.