title: [Mast cells apparatus of the duodenum in patients with gastro-intestinal hemorrhage of ulcer etiology].
abstract: Morphohistochemical investigations of the duodenum in patients with ulcer disease complicated by hemorrhage have revealed two times higher number of mast cells and correspondingly increased amount of histamine and heparin in the periulcerous area. It accounts for the focal obstacle of blood coagulation and arrest of hemorrhage in patients with ulcer disease.
authors.forename: R A
authors.initials: RA
authors.lastname: Mamedov
mesh_terms: D004386:Duodenum / Q000473:pathology*; D006801:Humans; D008407:Mast Cells / Q000473:pathology*; D010438:Peptic Ulcer Hemorrhage / Q000209:etiology*; D013276:Stomach Ulcer / Q000473:pathology*