exogenous


ex·og·e·nous

adjective \ek-ˈsä-jə-nəs\

Definition of EXOGENOUS

1
:  produced by growth from superficial tissue <exogenous roots produced by leaves>
2
a :  caused by factors (as food or a traumatic factor) or an agent (as a disease-producing organism) from outside the organism or system <exogenous obesity> <exogenous psychic depression> <exogenous market fluctuations>
b :  introduced from or produced outside the organism or system; specifically :  not synthesized within the organism or system
ex·og·e·nous·ly adverb

Origin of EXOGENOUS

French exogène exogenous, from exo- + -gène (from Greek -genēs born) — more at -gen
First Known Use: 1830

Other Microbiology Terms

pathogen, salmonella, tetanus

ex·og·e·nous

adjective \ek-ˈsäj-ə-nəs\   (Medical Dictionary)

Medical Definition of EXOGENOUS

1
: growing from or on the outside <exogenous spores>
2
: caused by factors (as food or a traumatic factor) or an agent (as a disease-producing organism) from outside the organism or system <exogenous obesity> <exogenous psychic depression>
3
: introduced from or produced outside the organism or system; specifically : not synthesized within the organism or system—compare endogenous
ex·og·e·nous·ly adverb

Variants of EXOGENOUS

ex·og·e·nous also ex·o·gen·ic \ˌek-sō-ˈjen-ik\

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