
Zollinger–Ellison Syndrome (ZES) is caused by a non–beta islet cell, gastrin-secreting tumor of the pancreas that stimulates the acid-secreting cells of the stomach to maximal activity, with consequent gastrointestinal mucosal ulceration. ZES may occur sporadically or as part of an autosomal dominant familial syndrome called multiple endocrine...
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http://en.wikipedia.org/wiki/Zollinger–Ellison_syndrome

(from the article `peptic ulcer`) ...Zantac, respectively) or with the proton pump inhibitors lansoprazole (Prevacid) and omeprazole (Losec or Prilosec). A small proportion of peptic ...
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http://www.britannica.com/eb/a-z/z/10

A disorder in which tumors of the pancreatic islet cells produce large amounts of gastrin (a hormone), leading to excess acid in the stomach and, possibly, a peptic ulcer (ulcer of the stomach or the upper part of the small intestine).
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http://www.cancer.gov/dictionary?expand=Z

<syndrome> A tumour (gastrinoma) of the pancreatic islet cells that results in an over production of gastric acid, leading to fulminant ulceration of the oesophagus, stomach, duodenum and jejunum. ... Gastrinomas may also occur in the stomach, duodenum, spleen and regional lymph nodes. ... Treatment includes the use of H2 antagonists (for exa...
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http://www.encyclo.co.uk/local/20973

(zol´in-jәr el´ĭ-sәn) a triad comprising intractable, sometimes fulminating, atypical peptic ulcers; extreme gastric hyperacidity; and gastrinomas of the pancreas, which may be single or multiple, small or large, benign or malignant.
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http://www.encyclo.co.uk/local/21001
(ZES) Type: Term Pronunciation: zŏl′inj-er el′ĭ-son Definitions: 1. peptic ulceration with gastric hypersecretion and gastrinoma of the pancreas or duodenum, sometimes associated with familial multiple endocrine adenomatosis type 1.
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http://www.medilexicon.com/medicaldictionary.php?t=89063

Zollinger-Ellison syndrome: A rare disorder caused by a tumor called a gastrinoma, most often occurring in the pancreas. The tumor secretes the hormone gastrin, which causes increased production of gastric acid leading to severe recurrent ulcers of the esophagus, stomach, and the upper portions of the small intestine (the duodenum and jejunum). Gas...
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http://www.medterms.com/script/main/art.asp?articlekey=11423

The Zollinger-Ellison syndrome is a rare condition characterised by excessive production of gastric acid due to a slow-growing pancreatic tumour. It leads to diarrhoea and peptic ulceration. Treatment is with H2- receptor antagonists, with surgery reserved for removal of the tumour.
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http://www.probertencyclopaedia.com/browse/EZ.HTM

[
n] - syndrome consisting of intractable peptic ulceration with gastric hypersecretion and hyperacidity
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http://www.webdictionary.co.uk/definition.php?query=Zollinger-Ellison%20syn

a rare disorder in which tumours form in the pancreas and secrete the hormone gastrin, which causes increased production of gastric acid and recurrent peptic ulcers
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https://www.encyclo.co.uk/local/20875
noun syndrome consisting of intractable peptic ulceration with gastric hypersecretion and hyperacidity
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https://www.encyclo.co.uk/local/20974

This is a condition that is caused by a gastrinoma, which is a tumor, that usually occurs in the pancreas. The hormone gastrin is secreted by this tumor, which results in an increase in the production of gastric acid. This leads to recurrent and severe ulcers forming in the upper parts of the small intestine (the duodenum as well as the jejunum), t...
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https://www.encyclo.co.uk/local/22233

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.
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https://www.infoplease.com/dictionary/zollinger-ellison-syndrome
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