insuliini osalisest või täielikust puudumisest tekkiv ainevahetus­haigus, millele on iseloomulikud vere suurenenud glükoosi­sisaldus, glükoosi ilmumine uriini ja rasvaainevahetuse häire, vere liigsuhkrususega kulgev krooniline ainevahetushaigus, mida põhjustab insuliini puudus või vaegus, a variable disorder of carbohydrate metabolism caused by a combination of hereditary and environmental factors and usually characterized by inadequate secretion or utilization of insulin, by excessive urine production, by excessive amounts of sugar in the blood and urine, and by thirst, hunger, and loss of weight, a chronic disorder characterized by impaired metabolism of glucose and other energy-yielding fuels, as well as the late development of vascular and neuropathic complications