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exogenous - 7 dictionary results

ex⋅og⋅e⋅nous

  [ek-soj-uh-nuhs]
Use exogenous in a Sentence
–adjective
1. originating from outside; derived externally.
2. Botany.
a. (of plants, as the dicotyledons) having stems that grow by the addition of an annual layer of wood to the outside beneath the bark.
b. pertaining to plants having such stems.
c. 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:
1820–30; exo- + -gen + -ous

Related forms:
ex⋅og⋅e⋅nism, noun
ex⋅og⋅e⋅nous⋅ly, adverb

ex⋅o⋅ge⋅net⋅ic

  [ek-soh-juh-net-ik]
–adjective
1. Also, ex⋅o⋅gen⋅ic  [ek-suh-jen-ik] , exogenous. Geology. arising from or relating to the surface of the earth (opposed to endogenetic ).
2. exogenous (defs. 2–4).
Origin:
1870–75; exo- + -genetic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ex·og·e·nous   (ěk-sŏj'ə-nəs)   
adj.  
  1. Biology Derived or developed from outside the body; originating externally.
  2. Botany Characterized by the addition of layers of woody tissue.
  3. Medicine Having a cause external to the body. Used of diseases.

[French exogène : Greek exō-, exo- + French -gène, -gen.]
ex·og'e·nous·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Exogenous

Ex*og"e*nous\, a. 1. (Bot.) Pertaining to, or having the character of, an exogen; -- the opposite of endogenous.

2. (Biol.) Growing by addition to the exterior.

3. (Anat.) Growing from previously ossified parts; -- opposed to autogenous. --Owen.

Exogenous aneurism (Med.), an aneurism which is produced by causes acting from without, as from injury.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Main Entry: ex·og·e·nous
Pronunciation: ek-'säj-&-n&s
Variant: also ex·o·gen·ic /"ek-sO-'jen-ik/
Function: adjective
1 : growing from or on the outside <exogenous spores>
2 : caused by factors (as food or a traumatic factor) or anagent (as a disease-producing organism) from outside the organism or system <exogenous obesity> <exogenous psychic depression>
3 : introduced from orproduced outside the organism or system; specifically : not synthesized within the organism or system —compare ENDOGENOUS —ex·og·e·nous·ly adverb
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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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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exogenous   (ěk-sŏj'ə-nəs)  Pronunciation Key 
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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