Definition of Epidermis
1. Noun. The outer layer of the skin covering the exterior body surface of vertebrates.
Exact synonyms: CuticleGroup relationships: Cutis,
Skin,
TegumentTerms within: Epidermal Cell,
Corneum,
Horny Layer,
Stratum Corneum,
Stratum Lucidum,
Stratum Granulosum,
Malpighian Layer,
Rete Malpighii,
Stratum Basale,
Stratum GerminativumSpecialized synonyms: Mantle,
PalliumGeneric synonyms: StratumDerivative terms: Epidermal,
Epidermic
Definition of Epidermis
1. n. The outer, nonsensitive layer of the skin; cuticle; scarfskin. See Dermis.
Definition of Epidermis
1. [n -DERMISES]
Medical Definition of Epidermis
1.
1. The basal layer of the mammalian epidermis contains cells that undergo repeated divisions. The cells outwards from a particular basal cell are often derived from this cell or a nearby one so that columns of cells exist running outwards from the stem cell in the basal layer from which they were derived. Such columns of cells are referred to as proliferative units.
2. Outer epithelial layer of a plant or animal. May be a single layer that produces an extracellular material (as for example the cuticle of arthropods) or a complex stratified squamous epithelium, as in the case of many vertebrate species.
This entry appears with permission from the Dictionary of Cell and Molecular Biology
(11 Mar 2008)
Lexicographical Neighbors of Epidermis
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