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.
A burn is damage to the skin caused by fire, hot surfaces, chemicals, electricity, or radiation. Radiation is energy that comes from the sun, tanning lamps, X-rays, some cancer treatments, and other sources. Burns caused by hot liquid or steam are called scalds.