ec·tog·e·nous 
(ĕk-tŏjə-nəs)
(ĕk-tŏjə-nəs)adj.
1. Exogenous.
2. Able to live and develop outside a host, as certain pathogenic microorganisms do.
- long-sightedly
- long-sightedness
- longsome
- Longs Peak
- longspur
- long-standing
- longstanding
- Longstreet
- long-suffering
- long-sufferingly
- long suit
- long-tailed duck
- long-term
- long-term potentiation
- longtime
- long ton
- Longueuil
- longueur
- Longview
- long-waisted
- long wave
- long-winded
- long-windedly
- long-windedness
- longwise