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insulin
in·su·lin [ ínssəlin ]


noun 
Definition:
 
hormone regulating glucose level in blood: a hormone produced in the pancreas that regulates the level of glucose in the blood
[Early 20th century. < Latin insula "island," after the islets of Langerhans]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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