insulin [i 7nsqlin, `sju` | `sju` ]     (순위: 12778 - 대졸 수준)   뜻  명) [생화학] 인슐린 Mean  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.