The constituents of the dermis are mesodermal in origin except for nerves, which, like melanocytes, derive from the neural crest.
真皮的成分除神经外来源于中胚层。神经和黑素细胞一样来源于神经嵴。
The constituents of the dermis are mesodermal in origin except for nerves, which, like melanocytes, derive from the neural crest.
真皮的成分除神经外来源于中胚层。神经和黑素细胞一样来源于神经嵴。
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