title: [Ultrastructure of the microcirculation bed of the stomach and duodenum in the bleeding ulcer zone].
abstract: According to the data obtained by electron-microscopy investigation of endotheliocytes from the bleeding ulcer zone there was noted the dominance of catabolic processes over synthetic, the creation of folds of endotheliocytes processes, what causes the capillaries lumen narrowing, the basal layer lysis. These factors are the starting mechanism of gastrointestinal bleeding occurrence.
authors.forename: V T
authors.initials: VT
authors.lastname: Zaĭtsev
authors.forename: V P
authors.initials: VP
authors.lastname: Nevzorov
authors.forename: O F
authors.initials: OF
authors.lastname: Nevzorova
mesh_terms: D002196:Capillaries / Q000648:ultrastructure; D004381:Duodenal Ulcer / Q000150:complications / Q000473:pathology*; D004386:Duodenum / Q000098:blood supply / Q000648:ultrastructure*; D004727:Endothelium / Q000166:cytology / Q000648:ultrastructure; D005753:Gastric Mucosa / Q000098:blood supply / Q000648:ultrastructure; D006801:Humans; D008833:Microcirculation; D008854:Microscopy, Electron; D010438:Peptic Ulcer Hemorrhage / Q000209:etiology / Q000473:pathology*; D013270:Stomach / Q000098:blood supply / Q000648:ultrastructure*; D013276:Stomach Ulcer / Q000150:complications / Q000473:pathology*
vernacular_title: Ul'trastruktura mikrotsirkuliatornogo rusla zheludka i dvenadtsatiperstnoĭ kishki v zone krovotochashcheĭ iazvy.