A scab on the surface of the skin formed to cover tissue damage. (E.) Health Source: BMA Medical Dictionary Author: The British Medical Association
Hard adherent crust caused by tissue killed by heat, chemicals or disease. Health Source: Medical Dictionary Author: Health Dictionary
n. a scab or slough, as produced by the action of heat or a corrosive substance on living tissue. Health Source: Oxford | Concise Colour Medical Dictionary Author: Jonathan Law, Elizabeth Martin