exogenous

adjective7

1. •
   Having an external cause.
2. •
   Produced or originating outside of the referent organism.
3. •
   Having a cause external to the infected organism.
4. •
   Being or relating to a change that comes from outside the model and is not explained by the model.
5. •
   Growing as an exogen, by successive additions to the outside.
6. •
   Related to the exogen growth phase.
7. •
   Having no meaning in itself, such as an automatically generated sequential identifier.