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A section through the epidermis, highly magnified. Labels: Below is seen a papilla of the dermis, with its artery, f, and veins, g g; a, the horny layer of the epidermis; b, the rete mucosum or Malpighian layer; d, the layer of columnar epidermic cells in immediate contact with the dermis; h, the duct of a sweat gland.

Epidermis and Sweat Gland

A section through the epidermis, highly magnified. Labels: Below is seen a papilla of the dermis, with…