The reaction to Alfred Wegener's Continental Drift Theory demonstrates that new ideas threaten the establishment, regardless of the century. Alfred Wegener was the scientist who proposed the Continental Drift Theory in the early twentieth century.Simply put, his hypothesis proposed that the continents had once been joined, and over time had drifted apart.egener really did not believe that he had the explanation for the mechanism, but that this should not stop discussion of a hypothesis. Wegener's contemporaries disagreed. A major conference was held by the American Association of Petroleum Geologists in 1926 that was critical of the theory.
Gastroschisis Prenatal Care Algorithm. Gastroschisis occurs when intestines and possibly other organs are located outside of the abdomen due to a hole in the fetal abdominal wall. The severity depends upon how much of the intestines and/or organs have moved through this hole.
Intestinal Complications of Crohn's Disease Explained. The following sections look at some of the intestinal complications of the disease, including other parts of the body that may be affected. Sore or Ulcer. The cells that make up the lining of the intestines are shed and replaced on a regular basis in a healthy body. But when the lining of the intestine is irritated, cells may be shed more frequently, causing ulcers or other sores to form. These sores and ulcers are most common in the last part of the small intestine (ileum), the colon, or rectum. However, they can occur anywhere in the digestive tract, including the mouth and anus. Ulcers can be serious if they go through the intestines and damage an artery. This can lead to life-threatening bleeding.