The<unk> , also known as<unk>  replacement or neodermis, is an in vitro model of the<unk>  layer of skin. There is no specific way of forming a<unk> , however the first<unk>  was constructed by seeding<unk>  fibroblasts into a collagen gel. This gel may then be allowed to contract as a model of wound contraction. This collagen gel contraction assay may be used to screen for treatments which promote or inhibit contraction and thus affect the development of a scar. Other cell types may be incorporated into the<unk>  to increase the complexity of the model. For example, keratinocytes may be seeded on the surface to create a skin<unk> , or macrophages may be incorporated to model the inflammatory phase of wound healing. A number of commercial<unk> s with different compositions and development methods are available. These include Integra, AlloDerm, and<unk> raft, among others.
Dermal equivalent
Ultraviolet index
Equivalent air depth
Rape
Equivalent dose
Peak kilovoltage
Killing Season
Oat sensitivity