Each tissue type, such as liver, spleen or kidney, has a particular echogenicity in its normal state. In diseased states, the echogenicity of an organ can be altered, either more echogenic (hyperechoic) or less echogenic (hypoechoic) than usual.
burn up. v. 1. To destroy something or someone by fire or heat: She burned the contract up. He burned up all the photographs. 2. To be completely destroyed by fire or heat: The cabin burned up, leaving only ashes.
medical Definition of burn 1: bodily injury resulting from exposure to heat, caustics, electricity, or some radiations, marked by varying degrees of skin destruction and hyperemia often with the formation of watery blisters and in severe cases by charring of the tissues, and classified according to the extent and degree of the injury â see first-degree burn, second-degree burn, third-degree burn