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Results 1 - 2 of 2 for Dark urine
  1. ... acid is also excreted in urine, making the urine turn dark when exposed to air. More About This Health ...
  2. ... called acanthosis nigricans that is characterized by thick, dark, velvety skin in body folds and creases. The ... limb dwarfism (achondroplasia); profound developmental delay; and thick, dark, velvety skin. The genetic change that causes this ...