ad·i·po·nec·tin 
(ăd′ə-pə-nĕktĭn)
(ăd′ə-pə-nĕktĭn)n.
A polypeptide hormone that is secreted by fat cells and regulates glucose and lipid metabolism, especially by increasing insulin sensitivity and muscle uptake of glucose and by decreasing glucose production in the liver.
[Latin adeps, adip-, fat + Latin nectere, to bind; see ned- in the Appendix of Indo-European roots + -IN.]