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exogenous

[ek-soj-uh-nuh s] /ɛkˈsɒdʒ ə nəs/
adjective
1.
originating from outside; derived externally.
2.
Botany.
  1. (of plants, as the dicotyledons) having stems that grow by the addition of an annual layer of wood to the outside beneath the bark.
  2. pertaining to plants having such stems.
  3. belonging to the exogens.
3.
Pathology. (of a disease) externally caused rather than resulting from conditions within the organism.
4.
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.
5.
Geology, exogenetic (def 1).
Also, exogenetic (for defs 2–4).
Origin
1820-1830
1820-30; exo- + -gen + -ous
Related forms
exogenism, noun
exogenously, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for most exogenous

exogenous

/ɛkˈsɒdʒɪnəs/
adjective
1.
having an external origin
2.
(biology)
  1. developing or originating outside an organism or part of an organism
  2. of or relating to external factors, such as light, that influence an organism
3.
(psychiatry) (of a mental illness) caused by external factors
Derived Forms
exogenously, adverb
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
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Word Origin and History for most exogenous

exogenous

adj.

1830, from Modern Latin exogenus (on model of indigenus); see exo- + -genous.

Online Etymology Dictionary, © 2010 Douglas Harper
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most exogenous in Medicine

exogenous ex·og·e·nous (ěk-sŏj'ə-nəs)
adj.

  1. Originating or produced outside of an organism, a tissue, or a cell.

  2. Having a cause external to the body. Used of diseases.


ex·og'e·nous·ly adv.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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most exogenous in Science
exogenous
  (ěk-sŏj'ə-nəs)   
Originating or produced from outside an organism, tissue, or cell. Compare endogenous.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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