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Epidermis and nervous system

From which germ layer do the epidermis and nervous system initiate? Name the other tissues and organs made from germ layer?

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Epidermis and nervous system have the similar embryonic origin: the ectoderm. The epidermal appendages (such as nails, hair, sweat glands and sebaceous glands), the mammary glands, the adenohypophysis, the retina, the crystalline lens and the cornea are also derived from ectoderm.

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