ectogenic

/ˌɛktoʊˈdʒɛnɪk/
adjective
  1. Produced or formed outside the organism; originating from external sources.
    • The researchers identified an ectogenic cause for the sudden change in the fish population.
    • Ectogenic factors like pollution can affect the health of marine animals.
    • Some diseases are ectogenic, meaning they come from the environment rather than from within the body.
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