All of the following are skin substitute except:: (A) Duoderm, (B) Integra, (C) Alloderm, (D) Trancyte
Answer is A. - Skin substitutes are a type of dressing which is naturally derived from cells, extracellular matrix components or other components of skin. - It includes: Integra: A bilayered membrane skin substitute. AlloDerm: An acellular cadaveric dermis. Apligraf: A living bilayered biologic dressing composed of neonatal dermal fibroblasts on a collagen matrix. Trancyte: A tissue-engineered skin substitute is made from a nylon mesh and a silastic semi permissible and biocompatible layer. Duoderm is not a skin substitute it is a type of hydrocolloid which is composed of hydrocolloid matrix (gelatin, pectin, carboxymethylcellulose)