exogenous
adjective
ex·og·e·nous ek-ˈsä-jə-nəs 
1
: produced by growth from superficial tissue
exogenous roots produced by leaves
2
a
: caused by factors (such as food or a traumatic factor) or an agent (such 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
exogenously adverb
Example Sentences
Recent Examples on the Web SMEs are not spared the ripple effect from exogenous factors, reporting that supply chain disruptions, labor shortages and the war in Ukraine have all impacted their operations and complicated remote work management. 
Rajat Bhargava, Forbes, 2 Aug. 2022 To understand the international agonies and opportunities that rising energy supply costs, exogenous shocks, increasing interest in renewables, and Russia’s invasion of Ukraine present, there is no better example than Kazakhstan. Ariel Cohen, Forbes, 6 June 2022 And just as their exogenous legal battles were getting under way, the rebbe died, appointing his nephew, Moshe Teitelbaum, in his place; in the absence of the founding rebbe’s charismatic authority, dissident factions emerged. Gideon Lewis-kraus, The New Yorker, 23 Feb. 2022 Drummond’s punishment stems from his role as coach of sprinter Tyson Gay, who tested positive for an exogenous androgenic anabolic steroid in and out of competition in 2013. The Editors, Outside Online, 18 Dec. 2014 Secondly, geographic diversification and the creation of regional brands might lessen the impact of almost inevitable exogenous shocks and take full advantage of the African Continental Free Trade Area. Radu Magdin, Forbes, 10 Nov. 2021 But from the policymaking perch, and absent an exogenous shock to the economy, a correction in house prices that might imperil financial and household stability is a far outlier scenario. Sam Chandan, Forbes, 1 Jan. 2022 The secreted miRNAs can be delivered into recipient cells, where exogenous miRNAs silence the target genes and trigger downstream signalling events4. Chao Yan, Scientific American, 17 June 2020 To revert to the gold standard, the paucity of gold is the one true hurdle, there are many other reasons for the impracticality of creating an exogenous standard to which a country is beholden. Vipin Bharathan, Forbes, 29 Aug. 2021 See More
Rajat Bhargava, Forbes, 2 Aug. 2022 To understand the international agonies and opportunities that rising energy supply costs, exogenous shocks, increasing interest in renewables, and Russia’s invasion of Ukraine present, there is no better example than Kazakhstan. Ariel Cohen, Forbes, 6 June 2022 And just as their exogenous legal battles were getting under way, the rebbe died, appointing his nephew, Moshe Teitelbaum, in his place; in the absence of the founding rebbe’s charismatic authority, dissident factions emerged. Gideon Lewis-kraus, The New Yorker, 23 Feb. 2022 Drummond’s punishment stems from his role as coach of sprinter Tyson Gay, who tested positive for an exogenous androgenic anabolic steroid in and out of competition in 2013. The Editors, Outside Online, 18 Dec. 2014 Secondly, geographic diversification and the creation of regional brands might lessen the impact of almost inevitable exogenous shocks and take full advantage of the African Continental Free Trade Area. Radu Magdin, Forbes, 10 Nov. 2021 But from the policymaking perch, and absent an exogenous shock to the economy, a correction in house prices that might imperil financial and household stability is a far outlier scenario. Sam Chandan, Forbes, 1 Jan. 2022 The secreted miRNAs can be delivered into recipient cells, where exogenous miRNAs silence the target genes and trigger downstream signalling events4. Chao Yan, Scientific American, 17 June 2020 To revert to the gold standard, the paucity of gold is the one true hurdle, there are many other reasons for the impracticality of creating an exogenous standard to which a country is beholden. Vipin Bharathan, Forbes, 29 Aug. 2021 See More Word History
Etymology
French exogène exogenous, from exo- + -gène (from Greek -genēs born) — more at -gen
First Known Use
1830, in the meaning defined at sense 1
Medical Definition
exogenous
adjective
ex·og·e·nous ek-ˈsäj-ə-nəs
variants also exogenic
ˌek-sō-ˈjen-ik
1
: growing from or on the outside
exogenous spores
2
: caused by factors (as food or a traumatic event) or an agent (as a disease-producing organism) from outside the organism or system
exogenous obesity
exogenous depression
3
: introduced from or produced outside the organism or system
specifically : not synthesized within the organism or system compare endogenous