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.
Let's first look into the process of burning and what it exactly is. Burning is the reaction of oxidation of a substance by oxygen. Oxygen takes away electrons from a substance, breaks the bonds between atoms, puts itself into molecules and turns a substance into a mixture of oxides.