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单词 keratinization
释义

keratinization


ker·a·tin·i·za·tion

K5039250 (kĕr′ə-tə-nĭ-zā′shən)n. The process by which vertebrate epithelial cells become filled with keratin protein filaments, die, and form tough, resistant structures such as skin, nails, and feathers.
Thesaurus
Noun1.keratinization - organic process by which keratin is deposited in cells and the cells become horny (as in nails and hair)keratinisationbiological process, organic process - a process occurring in living organisms
Translations

Keratinization


Keratinization

 

the accumulation of keratins—a type of protein—in cells of the epithelial tissue in vertebrates and humans. Keratinization mainly occurs within the surface layers of the skin—the epidermis and all its derivatives (scales, bill, plumage, wool, hooves, horns, hair, and nails).

In humans the keratinized cells in the surface layers of the skin are converted into squamules, which form the cornified layer of the epidermis. This layer is highly elastic and conducts heat poorly, thus protecting the underlying layers of the skin from such harmful factors as physical injury, desiccation, and bacterial infection. Keratinization is most evident on the palms and soles, less so at flexures. (For disorders in the keratinization process, seeHYPERKERATOSIS.)

keratinization


keratinization

 [ker″ah-tin″ĭ-za´shun] the development of or conversion into keratin.

ker·a·tin·i·za·tion

(ker'ă-tin'i-zā'shŭn), Keratin formation or development of a horny layer; may also apply to premature formation of keratin. Synonym(s): cornification

keratinization

(kĕr′ə-tə-nĭ-zā′shən)n. The process by which vertebrate epithelial cells become filled with keratin protein filaments, die, and form tough, resistant structures such as skin, nails, and feathers.

ker·a·tin·i·za·tion

(ker'ă-tin-ī-zā'shŭn) Keratin formation or development of a horny layer; may also apply to premature formation of keratin.
Synonym(s): cornification.

keratinization

The formation of, or conversion into, keratin. This normally occurs to a limited degree in the outer layers of the skin, but is especially prominent when skin is exposed to constant localized pressure. Corns and callosities are areas of keratinization. Also known as cornification or hornification.

ker·a·tin·i·za·tion

(ker'ă-tin-ī-zā'shŭn) Keratin formation or development of a horny layer.
Synonym(s): cornification.

Patient discussion about keratinization

Q. skins does excrete oil and keratin what exactly is the whitish cape up that you can squeeze out from underskin A. It sounds like you refer to sebum, an oily substance secreted by (how surprising :) ) sebaceus glands attached to the hair root. It's important for the skin, although abnormal secretion of it may cause diseases such as acne.
You may read more here:
http://en.wikipedia.org/wiki/Sebum#Sebum

More discussions about keratinization

keratinization


  • noun

Synonyms for keratinization

noun organic process by which keratin is deposited in cells and the cells become horny (as in nails and hair)

Synonyms

  • keratinisation

Related Words

  • biological process
  • organic process
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更新时间:2024/11/11 22:24:16