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1. The outer, protective, nonvascular layer of the skin of vertebrates, covering the dermis.
2. An integument or outer layer of various invertebrates.
3. The outermost layer of cells covering the leaves and young parts of a plant.

[Late Latin, from Greek : epi-, epi- + derma, skin; see der- in Indo-European roots.]

ep′i·der′mal (-məl), ep′i·der′mic adj.
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Adj.1.epidermal - of or relating to a cuticle or cuticula
References in periodicals archive ?
It has also produced 12 pieces of ceramics, including some with zoomorphic forms and some with the impressions of human epidermal ridges, animal hair and textile structures.
We recognised intentionally modelled shapes as well as imprints of human epidermal ridges, of animal hair and of textile structures.
A study in the January 30 issue of Science helps crack the case of fingerprints' real job: Epidermal ridges, fingerprints' professional name, likely serve as filters to help in the efficient detection of fine textures.