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Dec
26
comment Why are there nail growth differences between humans and other mammals?
@Konrad, well, the leg don't regenerate in case it's part is removed mechanically, whereas nails are in a constant growth state. Leg is a complex organ that has a feedback. It can tell the brain how long it is by the lenght of a neural connection network. Nail does not have it, so there may not be a mechanism to know how long it is.
Dec
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25
revised Why are there nail growth differences between humans and other mammals?
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Dec
25
comment Why are there nail growth differences between humans and other mammals?
Thank you Jonas for clarifying it for me. I guess the mechanism for limiting the growth when an optimal length is reached is non-existent, since there is no probing mechanism to know how long the nail actually is at a moment of time. The same may apply to hair.
Dec
25
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accepted Why are there nail growth differences between humans and other mammals?
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asked Why are there nail growth differences between humans and other mammals?
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