Growth of A NailThe 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.
Channels: Scientific Animations Interviews
Tags: nail
Uploaded by: watchme ( Send Message ) on 15-10-2007.
Duration: 0m 18s