n]
| 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. |

Zollinger-Ellison syndrome Zol·lin·ger-El·li·son syndrome (zŏl'ĭn-jər-ěl'ĭ-sən)
n.
Peptic ulceration together with gastric hypersecretion and non-beta cell tumor of the pancreatic islets; it is sometimes associated with familial polyendocrine adenomatosis.