Medical Dictionary


noun pre·cur·sor \pri-ˈkər-sər, ˈprē-ˌ\

Medical Definition of PRECURSOR

:  one that precedes and indicates the onset of another <angina may be the precursor of a second infarction>
:  a substance, cell, or cellular component from which another substance, cell, or cellular component is formed especially by natural processes
July 02, 2015
apprehension Hear it
comprehension or the fear of future evil
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