Pronunciation: ep'i-derm'is, -derm'i-dez
- The superficial epithelial portion of the skin (cutis). The thick epidermis of the palms and soles contains the following strata, from the surface: stratum corneum (keratin layer), stratum lucidum (clear layer), stratum granulosum (granular layer), stratum spinosum (prickle cell layer), and stratum basale (basal cell layer); in other parts of the body, the stratum lucidum and stratum granulosum may be absent.
- In botany, the outermost layer of cells in leaves and the young parts of plants.
[G. epidermis, the outer skin, fr. epi, on, + derma, skin]
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