Search Results for: Stomach of animals pieces
—the tissue that covers organs and surfaces of the bodies of animals , including both outside surfaces (the skin) and inside cavities. as such, an ulcer can impact such areas as the oral cavity and the gastrointestinal tract, the lower extremities, feet, the eyes (most often the cornea), and so forth
. however, in common usage, ulcer often is used to refer to peptic ulcers , which are disorders in the part of the digestive tract that includes the stomach, proximal duodenum (and sometimes jejunum) in the small intestine , and the lower part of esophagus. causes of ulcers are varied and include injury...
https://www.newworldencyclopedia.org/entry/Ulcer