Role of ischaemia in the initiation of peptic ulcer.
Study of intramural vascular pathways to the human gastroduodenal mucosa shows that some persons have patches of mucosa supplied by end arteries. These patches occur only in the ulcer-bearing areas. It is suggested how this may contribute to the initiation of peptic ulceration and explain some of its features.
D001158:Arteries / Q000503:physiopathology; D004386:Duodenum / Q000098:blood supply*; D005753:Gastric Mucosa / Q000098:blood supply*; D006801:Humans; D007413:Intestinal Mucosa / Q000098:blood supply*; D007511:Ischemia / Q000150:complications*; D010437:Peptic Ulcer / Q000209:etiology*; D013314:Stress, Mechanical