Template:POTD protected/2012-03-08

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Heterochromia iridum

A human eye displaying partial heterochromia iridum, where part of one iris is a different color from its remainder. Eye color, specifically the color of the irises, is determined primarily by the concentration and distribution of melanin. Shown here is an example of central heterochromia, where there are two colors in the same iris.

Photo: Adam Cuerden

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