insulin

noun

in·​su·​lin ˈin(t)-s(ə-)lən How to pronounce insulin (audio)
: a protein pancreatic hormone secreted by the beta cells of the islets of Langerhans that is essential especially for the metabolism of carbohydrates and the regulation of glucose levels in the blood and that when insufficiently produced results in diabetes mellitus

Examples of insulin in a Sentence

Recent Examples on the Web Another hormone is glucagon, which counterbalances the action of insulin by raising blood sugar, helps eliminate fat from the liver and increases satiety. Matías A. Loewy, Discover Magazine, 25 Apr. 2024 In February 2022, Senate Majority Leader Chuck Schumer stood alongside constituents in Buffalo, N.Y., and promised to hold a vote to cap costs for insulin at $35 per month for people with all types of insurance. Rachel Cohrs Zhang, STAT, 16 Apr. 2024 The new class of weight loss drugs mimics the body’s GLP-1 hormone, stimulating insulin production, and lowering blood sugar levels, helpful to those with type 2 diabetes. Cole Kazdin, TIME, 16 Apr. 2024 With insulin’s discovery, physicians assumed that all diabetes was an insulin-deficiency disorder, even though this is true today for only 5 to 10 percent of diabetic patients, those with type 1. Gary Taubes, The Atlantic, 15 Apr. 2024 With these changes of weight loss, insulin levels drop, and ovulation begins to occur. Sarah Cottrell, Parents, 29 Mar. 2024 After learning about policy changes spearheaded by the Biden administration, specifically student loan forgiveness and a cap on insulin prices, many shifted their perspective. Aaron Navarro, CBS News, 28 Mar. 2024 Healthcare experts estimate that in the 103 years insulin has been available to treat diabetes, the medication has saved tens of millions of lives. Eva Rothenberg, CNN, 1 Apr. 2024 The study found that a generic vial of insulin could cost between $61 to $111 — as much as 97% less than the current U.S. market price — and still hold onto a 10% to 50% profit margin. Meghana Keshavan, STAT, 1 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'insulin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

New Latin insula islet (of Langerhans), from Latin, island

First Known Use

1914, in the meaning defined above

Time Traveler
The first known use of insulin was in 1914

Dictionary Entries Near insulin

Cite this Entry

“Insulin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insulin. Accessed 1 May. 2024.

Kids Definition

insulin

noun
in·​su·​lin ˈin(t)-s(ə-)lən How to pronounce insulin (audio)
: a hormone that is produced by the pancreas and is necessary for the normal use of glucose by the body

Medical Definition

insulin

noun
in·​su·​lin ˈin(t)-s(ə-)lən How to pronounce insulin (audio)
: a protein hormone that is synthesized in the pancreas from proinsulin and secreted by the beta cells of the islets of Langerhans, that is essential for the metabolism of carbohydrates, lipids, and proteins, that regulates blood sugar levels by facilitating the uptake of glucose into tissues, by promoting its conversion into glycogen, fatty acids, and triglycerides, and by reducing the release of glucose from the liver, and that when produced in insufficient quantities results in diabetes mellitus see iletin

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