Gastrin

n. hormone which stimulates the secretion of gastric juices

In humans, gastrin is a hormone that stimulates secretion of gastric acid by the parietal cells of the stomach. It is released by G cells in the stomach and duodenum.
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Gastrin /gas·trin/ a polypeptide hormone secreted by certain cells of the pyloric glands, which strongly stimulates secretion of gastric acid and [more]Gastrin - Community and Resources

Noun
1. polypeptide hormone secreted by the mucous lining of the stomach; induces the secretion of gastric juice
(hypernym) hormone, endocrine, internal secretion

n. gastrin, hormone which stimulates the secretion of gastric juices