Carbon-14 (or radiocarbon) is a radioactive form of carbon that scientists use to date fossils. But it decays so quicklyâwith a half-life of only 5,730 yearsâthat none is expected to remain in fossils after only a few hundred thousand years.
- Rand Al'Thor. Stomach lesions are also known as gastric ulcers. It is a sore in the lining of the stomach. There is sometimes hydrochloric acid and pepsin present in the lesion. This can cause severe pain along with other symptoms.There is a great article about the causes and treatments at the related link below. Hemorrhagic is the property of containing or secreting blood that shouldn't be there. Hemorrhage refers to blood escaping from blood vessels of â¦ any kind. A lesion is an area of damaged, missing, diseased, or otherwise abnormal tissue, such a sore.
Etymology: L, abdominis, belly. the portion of the body between the thorax and the pelvis. The abdominal cavity is lined by the peritoneum; contains the inferior portion of the esophagus, the stomach, the intestines, the liver, the spleen, the pancreas, and other organs; and is bounded by the diaphragm and the pelvis. Also called. belly. See also abdominal regions. abdominal [abdomâ²-] adj.