endogenous

/ɛnˈdɑdʒənəs/
adjective
  1. Growing or originating from within an organism, system, or cell.
    • Plants have endogenous growth patterns that determine how their stems and leaves develop.
    • Endogenous depression is thought to be caused by internal chemical imbalances rather than outside events.
    • The body produces endogenous antioxidants to fight cell damage naturally.
Antonyms
What does "endogenous" mean? | whatsthatwordmean | whatsthatwordmean