MadSci Network: Anatomy
Query:

Re: fingernail ridges

Date: Mon Sep 21 19:12:29 1998
Posted By: Jim Bridger, Faculty, Biology, Prince Georges Community College
Area of science: Anatomy
ID: 902173936.An
Message:

David - I'm not sure how helpful my answer will be but here goes!  Some 
variation in finger nails, as well as in everything else, is due to our 
individual genetic heritage.  Other variations are due to diet and certain 
disease conditions.  The closest I can come to your question is that it may 
be a nutritional deficiency, but what nutrient, I don't know.  An iron 
deficiency, for example, can cause a curvature of the nail at its tip.  I 
realize that your question was regarding vertical grooves and the bottom 
line is that I don't know their cause.  I can be relatively sure that it is 
normal and nothing to be concerned about.  If this is not a satisfactory 
answer, re submit it and someone else may get to answer it with a more 
definite answer.


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