[An unstable isotope of carbon created when a neutron collides with a nitrogen atom, causing capture of the neutron and release of the proton converting nitrogen to a carbon with fourteen nucleons (6 protons and 8 neutrons). Carbon-14 emits beta particles as it decays and reverts back to nitrogen. ( NCI )]
UMLS (NCI) C0302945 - Indicator, Reagent, or Diagnostic Aid
- Element, Ion, or Isotope