title: Superficial mucosal ulceration and the pathogenesis of acute appendicitis.
mesh_terms: D000208:Acute Disease; D001062:Appendectomy; D001064:Appendicitis / Q000209:etiology* / Q000473:pathology; D001065:Appendix / Q000473:pathology; D004106:Dilatation / Q000150:complications; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology*; D013997:Time Factors; D014456:Ulcer / Q000150:complications / Q000473:pathology