Medical Definition of Precursor

Precursor: Forerunner. That which precedes or is derived from an available source.

The term "precursor" is applied to an inactive substance converted to an active one (such as an enzyme, vitamin, or hormone). The term "precursor" applies to any chemical that is transformed into another.

From the Latin "praecursor," composed of "prae-" (or pre-), before + "curro" to run = to run before.

CONTINUE SCROLLING OR CLICK HERE FOR RELATED SLIDESHOW

QUESTION

What causes tooth decay? See Answer

Health Solutions From Our Sponsors

Reviewed on 12/11/2018