Quick Bites. In a tourniquet test for dengue, the blood capillaries are examined for their ability to withstand increased pressure. This gives a good indication for assessing the blood vessels and whether it will lead to Dengue Shock Syndrome (DSS) or Dengue Hemorrhagic Fever (DHF).
sugÂ·ar. n. 1. A sweet crystalline or powdered substance, white when pure, consisting of sucrose obtained mainly from sugarcane and sugar beets and used in many foods, drinks, and medicines to improve their taste. Also called table sugar.
Sugar is the generalized name for sweet, short-chain, soluble carbohydrates, many of which are used in food. They are composed of carbon, hydrogen, and oxygen. There are various types of sugar derived from different sources.