The name Caucasian is generally applied to the first three divisions, â Aryans, Semites, and Hamites. Aryan. â This includes the ancient Hindus [â¦] the Persians, Greeks, Italians, Celts, Teutons, and Slavs.
Noun. 1. peptic ulcer-an ulcer of the mucous membrane lining of the alimentary tract. peptic ulceration. ulcer, ulceration-a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue. duodenal ulcer-a peptic ulcer of the duodenum.
The types of peptic ulcers are gastric and duodenal, both of which are chronic diseases. The ulcer represents the development of a circumscribed defect in the gastric or duodenal mucosa that is exposed to acid and pepsin secretion. The ulcer may extend through the tissue layers of the muscle and serosa into the abdominal cavity.