corrosion preparation


cor·ro·sion prep·a·ra·tion

a preparation in which the hollow parts such as ducts, vessels, or alveoli of the lung are filled with a substance that hardens and persists after dissolving the tissues by digestion.

corrosion preparation

In anatomical and pathology investigations, hollow organs and structures such as vessels are filled with a liquid substance that hardens. Then the surrounding tissues are dissolved by use of suitable chemicals. This leaves a cast of the structures. See also: preparation