- a protein hormone secreted by the islets of Langerhans, in the pancreas, which helps the body use sugar and other carbohydrates
- a preparation extracted from the pancreas of sheep, oxen, etc. and used hypodermically in the treatment of diabetes mellitus
Origin of insulin; from Classical Latin insula, island (see isle) + -in: in allusion to the islets of Langerhans
- A polypeptide hormone secreted by the islets of Langerhans and functioning in the regulation of the metabolism of carbohydrates and fats, especially the conversion of glucose to glycogen, which lowers the blood glucose level.
- Any of various pharmaceutical preparations containing this hormone or a close chemical analog, derived from the pancreas of certain animals or produced through genetic engineering and used in the medical treatment and management of diabetes mellitus (type I).
Origin of insulinNew Latin &imacron;nsula, island (of Langerhans) (from Latin, island) + –in.