"TaggedADNCI" . "Tracer"^^ . "C1522485"^^ . "Tracer"^^ . . . "ReporterSYNCI" . "Tracer"^^ . "A substance that is identifiable by virtue of its radioactive signature, color, or other distinguishing physical property, such as a dye, radioactive isotope, or inert chemical, that is introduced into a biological or mechanical system and can be followed through the course of a process, providing information on the pattern of events in the process or on the redistribution of the parts, elements, or events involved.NCI" . "CHEBI:35204"^^ . "tracerPTNCI-GLOSSCDR0000045931" . "LabelSYNCI" . "CHEBI:35209"^^ . "TracerPTNCI" . "A substance (such as a radioisotope) used in imaging procedures.NCI-GLOSS" . "Indicator, Reagent, or Diagnostic Aid"^^ . "LabeledADNCI" . "TagSYNCI" . "C2480"^^ .