<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A disorder characterized by darkening of the skin due to excessive melanin deposition.</n0:def-definition><n0:def-source>CTCAE</n0:def-source></n0:ComplexDefinition>
<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>Darkening of the skin due to excessive melanin deposition. Causes include skin injuries, pregnancy, eczema, and Addison disease.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>