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.
Definition of burn. 1 : an act, process, instance, or result of burning: such asa : injury or damage resulting from exposure to fire, heat, caustics, electricity, or certain radiationsb : a burned area a burn on the tabletopc : an abrasion (as of the skin) having the appearance of a burn rope burnsd : a burning sensation the burn of iodine on a cut.