<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A change of cells to a form that does not normally occur in the tissue in which it is found.</n0:def-definition><n0:def-source>NCI-GLOSS</n0:def-source></n0:ComplexDefinition>
<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>Transformation of a mature, normal cell or groups of mature cells to other forms of mature cells. The capacity for malignant transformation of metaplastic cells is a subject of controversy.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>