<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A role used to assert a relationship between a procedure and its target anatomy, specifically that a particular procedure always has an association with the target anatomy. This role should be used when a more specific role cannot be asserted, including procedures targeting blood and other fluids. The domain and range for this role are 'Clinical or Research Activity' and 'Anatomic Structure, System, or Substance', respectively.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>