Diabetes

1. failure of the body to produce insulin, which controls sugar metabolism; has a complex genetic basis influenced by environmental factors.
   Source: Anthromorphemics
2. an abnormal condition marked by sugar excretion in urine and high blood glucose levels caused by an insufficiency of insulin
   Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
3. A disease associated with the absence or reduced levels of insulin, a hormone essential for the transport of glucose to cells.