Consideration is given in the paper to the state of the mucosal cell ultrastructure in the gastroduodenal zone in patients with perforating ulcer. Apparent inflammatory-degenerative type ultrastructural alterations have been found to be precent in the gastric and duodenal mucous coat in the zone of perforating ulcer. The above alterations are noted to persist by day 10 in these postsurgical patients having been administered conventional treatments. The use of serotonin adipinate promotes earlier restoration of the ultrastructural picture in the mucous coat of the gastroduodenal zone.
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