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老年皮肤的变化 被引量:23

Alterations of aged skin
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摘要 老年皮肤的表皮与真皮变薄,表、真皮交界处界面变平,黑素细胞和朗格汉斯细胞减少,真皮体积可减少20%左右,皮肤附属器结构和功能发生改变和减退,致使表皮更替速率、修复速率变慢,对损伤的反应、屏障功能、清除化学物质速率、感觉功能、血管反应性、体温调节能力均有所下降。因此老年人易患皮肤干燥、瘙痒、色素改变(增加或减退)、大疱性类天疱疮以及各种增生性疾病等。
作者 刘承煌
出处 《临床皮肤科杂志》 CAS CSCD 北大核心 2003年第2期113-114,共2页 Journal of Clinical Dermatology
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