zollinger-ellison syndrome

noun Pathology.

1. a condition in which a gastrin-secreting tumor of the pancreas or small intestine causes excessive secretion of gastric juice, leading to intractable peptic ulcers.

n.

1. A gastrointestinal disease characterized by chronic peptic ulcers, gastric hypersecretion, and gastrinomas of the pancreatic islets of Langerhans.