真皮层（英语：dermis）是位于表皮与皮下组织之间的一层皮肤，其由两层组成——乳头层与网状层[1]。真皮的结构组成是胶原蛋白、弹性纤维以及基质[2]。汗腺、皮脂腺、顶泌腺、毛囊都起源于真皮 [3][4][5]。
参考文献
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