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单词 Cornified layer
释义

Cornified layer

英语百科

Stratum corneum

The stratum corneum (Latin for 'horny layer') is the outermost layer of the epidermis, consisting of dead cells (corneocytes). This layer is composed of 15-20 layers of flattened cells with no nuclei and cell organelles. Their cytoplasm shows birefringent filamentous scleroprotein keratin. The stratum corneum is composed of three lipid components: ceramides, cholesterol, and fatty acids.

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更新时间:2025/6/20 20:46:17