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来自维基百科,自由的百科全书
乳头层(英語:papillary layer),是真皮的浅层,通过基膜与表皮连接[1]。乳头层主要由大量的结缔组织形成的真皮乳头构成,可供给表皮所需营养物质,运走代谢产物,感受触的刺激[2]。
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