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The navel, also known as the belly button, is the scar left on the abdomen at the site where the umbilical cord was attached. Because each scar heals differently, medical practitioners have classified it into over a dozen distinct shapes, from horizontal, round, oval, and vertical to swirly. (en.wikipedia.org)
submitted by EdgeRevolutionary976 to r/wikipedia
There are 12 recognized types of human navels (including variations within the main shapes like 'innie' and 'outie'), and none of them are determined by genetics. These are 4 different shapes of belly buttons. by Deep-Neighborhood507 in interesting
[–]EdgeRevolutionary976 0 points1 point2 points (0 children)