Nail growth

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Uploaded by on Aug 3, 2007

Nail growth

The growth of a nail begins in the third month of fetal life, when cells of the epidermis, which form the nail bed, begin to divide. The upper cells become keratanized to form the nail plate, which is pushed out of the nail groove over the epidermis.

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Education

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Standard YouTube License

  • likes, 7 dislikes

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Top Comments

  • omg. i never thought  u could get so bored in 20 seconds.

  • i learned nothing! :D

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All Comments (64)

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  • It seems so complicated, but it's not. O.o

  • 19 seconds of my life i will never get back....

  • i just noticed i plucked out my epedomus thingy

  • I think Im the Only person who Though that Wasn't a waste of Time :L

  • yawn 

  • wow that was a wast of my 19 seconds time!

  • wah?i didnt pay attention and that thing that they were pointing at look like a river!haha,i simply dont get that

  • That was just so much information! I don't think I can remember all that

  • DA FUCK.

  • The Best part Was 0:21

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