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Definition of "hyperinsulinism" [hyperinsulinism]

  • An abnormally high level of insulin in the blood, resulting in hypoglycemia. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "hyperinsulinism" in a sentence
  • "The most common form of hyperinsulinism is caused by a defect in the potassium channel (KATP channel)."
  • "The second most common cause of hyperinsulinism is the hyperinsulinism/hyperammonemia syndrome, in which the gene defect has nothing to do with the potassium channel, but instead interferes with the metabolism of glutamate in the cell, causing excessive insulin secretion."
  • "Congenital hyperinsulinism is rare; most children's hospitals encounter only one or two cases a year."