Monounsaturated fat. Definition. noun, plural: monounsaturated fats. An unsaturated fatty acid that contains only one double or triple bond in the carbon chain, and believed to be a dietary fat that helps reduce LDL cholesterol in blood. Supplement. Foods rich in monounsaturated fats are almonds, peanut oil, olive oil, canola, and avocados.
acetone body, ketone body - a ketone that is an intermediate product of the breakdown of fats in the body; any of three compounds (acetoacetic acid, acetone, and/or beta-hydroxybutyric acid) found in excess in blood and urine of persons with metabolic disorders.
A +A -. Ketones are fat products that are used by the body as a source of energy when low levels of insulin prevent the body from using glucose. The path of ketones is through the blood stream, and then they are passed through the urine. Therefore, the logical test for ketone levels is through these systems.