Definitions for epidermisˌɛp ɪˈdɜr mɪs

This page provides all possible meanings and translations of the word epidermis

Princeton's WordNet

  1. epidermis, cuticle(noun)

    the outer layer of the skin covering the exterior body surface of vertebrates

Wiktionary

  1. epidermis(Noun)

    The outer, protective layer of the skin of vertebrates, covering the dermis

  2. epidermis(Noun)

    The similar outer layer of cells in invertebrates and plants

  3. Origin: From epidermis, from ἐπιδερμίς (ἐπί, on top of) + dermis (< δέρμα(derma), skin)

Webster Dictionary

  1. Epidermis(verb)

    the outer, nonsensitive layer of the skin; cuticle; scarfskin. See Dermis

  2. Epidermis(verb)

    the outermost layer of the cells, which covers both surfaces of leaves, and also the surface of stems, when they are first formed. As stems grow old this layer is lost, and never replaced

  3. Origin: [L., fr. Gr. ; over + skin, fr. to skin. See Tear, v. t.]

Freebase

  1. Epidermis

    The epidermis is composed of the outermost layers of cells in the skin, "epi" in Greek meaning "over" or "upon", which together with the dermis forms the cutis. The epidermis is a stratified squamous epithelium, composed of proliferating basal and differentiated suprabasal keratinocytes which acts as the body's major barrier against an inhospitable environment, by preventing pathogens from entering, making the skin a natural barrier to infection. It also regulates the amount of water released from the body into the atmosphere through transepidermal water loss. In humans, it is thinnest on the eyelids at 0.05 mm and thickest on the palms and soles at 1.5 mm. It is ectodermal in origin.

U.S. National Library of Medicine

  1. Epidermis

    The external, nonvascular layer of the skin. It is made up, from within outward, of five layers of EPITHELIUM: (1) basal layer (stratum basale epidermidis); (2) spinous layer (stratum spinosum epidermidis); (3) granular layer (stratum granulosum epidermidis); (4) clear layer (stratum lucidum epidermidis); and (5) horny layer (stratum corneum epidermidis).


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