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gastrinoma

(găs′trə-nōmə)
n. pl. gas•tri•no•mas
  1. A gastrin-secreting tumor associated with Zollinger-Ellison syndrome.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.