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epidermis    音標拼音: [,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 is the outermost of the three layers that comprise the skin, the inner layers being the dermis and hypodermis [1] The epidermal layer provides a barrier to infection from environmental pathogens [2] and regulates the amount of water released from the body into the atmosphere through transepidermal water loss [3]
  • 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
  • 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
  • Epidermis: anatomy, structure, cells and function. - Kenhub
    The epidermis is the most superficial layer of the skin The other two layers beneath the epidermis are the dermis and hypodermis The epidermis is also comprised of several layers including the stratum basale, stratum spisosum, stratum granulosum, stratum lucidum, and stratum corneum
  • 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 protect the body This part of the skin does not contain any blood vessels
  • Functions of the Skin - Epidermis - Dermis - TeachMeAnatomy
    The epidermis is the most superficial layer of the skin, and is largely formed by layers of keratinocytes undergoing terminal maturation This involves increased keratin production and migration toward the external surface, a process termed cornification





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