epidermis defined in 1951 yearepidermis - epidermis;
epidermis - Outermost layer of cells of a plant or animal. In plants one cell-layer thick, covered in aerial parts by a non-cellular protective cuticle. In vertebrates there is no non-cellular cuticle, and epidermis is several cell-layers thick; outermost ones being dead and horny (keratinized) in land-living vertebrates. See also: Stratum Corneum. In invertebrates the epidermis is only one cell-layer thick, and often secretes a cuticle.
near epidermis in Knolik
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