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epidermis    音标拼音: [,ɛpəd'ɚməs]
n. 表皮,上皮

表皮,上皮

epidermis
n 1: the outer layer of the skin covering the exterior body
surface of vertebrates [synonym: {epidermis}, {cuticle}]

Periostracum \Per`i*os"tra*cum\, n.; pl. {Periostraca}. [NL.,
fr. Gr. peri` around ? shell of a testacean.] (Zool.)
A chitinous membrane covering the exterior of many shells; --
called also {epidermis}.
[1913 Webster]


Epidermis \Ep`i*der"mis\, n. [L., fr. Gr. ?; ? over ? skin,
fr. ? to skin. See {Tear}, v. t.]
1. (Anat.) The outer, nonsensitive layer of the skin;
cuticle; scarfskin. See {Dermis}.
[1913 Webster]

2. (Bot.) 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.
[1913 Webster]


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  • Epidermis (Outer Layer of Skin): Layers, Function, Structure
    What is the epidermis layer of skin? Your skin has three main layers, and the epidermis (ep-uh-derm-us) is the outermost layer in your body The other two layers of skin are the dermis and hypodermis
  • Epidermis - Wikipedia
    The epidermis serves as a barrier to protect the body against microbial pathogens, oxidant stress , and chemical compounds, and provides mechanical resistance to minor injury Most of this barrier role is played by the stratum corneum
  • Anatomy of the Epidermis with Pictures - Verywell Health
    The epidermis is the uppermost layer of your skin It is responsible for creating skin tone and protecting against toxins and infection Within the epidermis, there are four major layers of cells called keratinocytes that provide structural support for the skin
  • Epidermis | Skin Layers, Keratinocytes Melanocytes | Britannica
    Epidermis, in zoology, protective outermost portion of the skin There are two layers of epidermis, the living basal layer, which is next to the dermis, and the external stratum corneum, or horny layer, which is composed of dead, keratin-filled cells that have migrated outward from the basal layer
  • What is the Epidermis? - News-Medical. net
    The epidermis is the thin, outer layer of the skin that is visible to the eye and works to provide protection to the body
  • Epidermis Function: How Skin Protects You and How You Can . . . - Healthline
    The epidermis is the outer layer of your skin, and it plays an important role in protecting your body from things like infection, UV radiation, and losing important nutrients and water
  • 5. 1B: Structure of the Skin: Epidermis - Medicine LibreTexts
    Layers of the Epidermis The epidermis is the outermost layer of our skin It is the layer we see with our eyes It contains no blood supply of its own—which is why you can shave your skin and not cause any bleeding despite losing many cells in the process





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