exogenous
[ek-soj-uh-nuh s]
- originating from outside; derived externally.
- Botany.
- (of plants, as the dicotyledons) having stems that grow by the addition of an annual layer of wood to the outside beneath the bark.
- pertaining to plants having such stems.
- belonging to the exogens.
- Pathology. (of a disease) externally caused rather than resulting from conditions within the organism.
- Biochemistry. of or noting the metabolic assimilation of proteins or other metabolites, the elimination of nitrogenous catabolites being in direct proportion to the amount of metabolites taken in.
- Geology. exogenetic(def 1).
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Also exogenetic (for defs 2–4).
Origin of exogenous
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for exogenous
Contemporary Examples
Yes, the record of the 2000s looks better if you treat the bust as some kind of exogenous event caused by overbearing government.
But in that case, you also have to treat the real-estate bubble as an exogenous event.
Historical Examples
The exogenous and endogenous hydatids may coexist in the same bearer.
ParasitesT. Spencer Cobbold
In botany, the white and softer parts of the wood of exogenous plants, lying between the inner bark and the heartwood.
We have in the botanical world the exogenous and the endogenous tree.
The Palm Tree BlessingW. E. Shepard
Most of the trees with which we have to do are of the exogenous type.
The Palm Tree BlessingW. E. Shepard
This is exogenous growth, or outside-growing, as the name denotes.
The Elements of BotanyAsa Gray
exogenous
- having an external origin
- biology
- developing or originating outside an organism or part of an organism
- of or relating to external factors, such as light, that influence an organism
- psychiatry (of a mental illness) caused by external factors
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for exogenous
Online Etymology Dictionary, © 2010 Douglas Harper
exogenous
(ĕk-sŏj′ə-nəs)- Originating or produced outside of an organism, tissue, or cell.
- Having a cause external to the body. Used of diseases.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
exogenous
[ĕk-sŏj′ə-nəs]
- Originating or produced from outside an organism, tissue, or cell. Compare endogenous.
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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.