Naked Science Forum
Life Sciences => Physiology & Medicine => Topic started by: Geezer on 29/01/2011 06:37:36
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My finger nails seem to show a certain pattern associated with their growth. Is there some sort of "time stamp" in the pattern just as there is a time stamp in the growth rings of trees?
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"Longitudinal ridging ... aging (http://www.dermnetnz.org/hair-nails-sweat/nails.html#plate)" ... http://www.dermnetnz.org/common/image.php?path=/hair-nails-sweat/img/ridge-n.jpg
As we mature, the nail bed produces less oil and moisture,
and this rail and groove effect becomes evident as vertical [longitudinal] ridges in the plate.
http://www.hooked-on-nails.com/naturalnails.html
[ Transverse ridging could indicate a problem ... http://www.dermnetnz.org/hair-nails-sweat/nails.html#plate ]