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.
Stomach. The stomach is a muscular, J-shaped organ in the abdomen. Part of the digestive system, the stomach stores and digests food through gastric juices and a specialized churning action created by folds on its inside.