gastrinoma

noun
gas·​tri·​no·​ma | \ ˌgas-trə-ˈnō-mə How to pronounce gastrinoma (audio) \
plural gastrinomas also gastrinomata\ -​mət-​ə How to pronounce gastrinomata (audio) \

Medical Definition of gastrinoma

: a tumor that often involves blood vessels, usually occurs in the pancreas or the wall of the duodenum, and produces excessive amounts of gastrin which stimulates gastric-acid secretion and consequent formation of ulcers especially in the duodenum and the jejunum — see zollinger-ellison syndrome

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Cite this Entry

“Gastrinoma.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/gastrinoma. Accessed 24 Sep. 2020.

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