exogenous

exogenous
exogenous ex*og"e*nous, a. 1. (Bot.) derived from or originating outside; pertaining to, or having the character of, an exogen; -- the opposite of {endogenous}.

Syn: exogenetic. [1913 Webster]

2. (Bot.) Growing by addition to the exterior; growing by addition of a new external layer of cells on the surface just beneath the bark; -- of plants. [1913 Webster]

3. (Anat.) Growing from previously ossified parts; -- opposed to {autogenous}. --Owen. [1913 Webster]

4. (Med.) caused by factors from outside the body, rather than from an abnormality of internal functions; -- of illness. [PJC]

5. (Biol., Biochem.) not synthesized within the organism; absorbed or assimilated from outside the organism. [PJC]

{Exogenous aneurism} (Med.), an aneurism which is produced by causes acting from without, as from injury. [1913 Webster] ||


The Collaborative International Dictionary of English. 2000.

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  • exogenous — 1830, from Mod.L. exogenus (on model of indigenus); see EXO (Cf. exo ) + GENOUS (Cf. genous) …   Etymology dictionary

  • exogenous — [eks äj′ə nəs] adj. [ EXOGEN + OUS] 1. developing from without; originating externally 2. Biol. of or relating to external factors, as food or light, that have an effect upon an organism exogenously adv …   English World dictionary

  • exogenous — adjective Etymology: French exogène exogenous, from exo + gène (from Greek genēs born) more at gen Date: 1830 1. produced by growth from superficial tissue < exogenous roots produced by leaves > 2. a. caused by factors (as food or a traumatic… …   New Collegiate Dictionary

  • exogenous — Originating or produced outside of the organism. SYN: ectogenous, exogenetic. [exo + G. gen, production] * * * ex·og·e·nous ek säj ə nəs also ex·o·gen·ic .ek sō jen ik adj 1) growing from or on the outside <exogenous spores> 2) caused by… …   Medical dictionary

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  • Exogenous aneurism — exogenous ex*og e*nous, a. 1. (Bot.) derived from or originating outside; pertaining to, or having the character of, an exogen; the opposite of {endogenous}. Syn: exogenetic. [1913 Webster] 2. (Bot.) Growing by addition to the exterior; growing… …   The Collaborative International Dictionary of English

  • Exogenous bacteria — are bacteria introduced to closed biological systems from the external world. They exist in water, earth, and the air. Examples are cholera, Legionella, salmonella, rickettsia, mycobacterium, and bacillus anthracis. Endogenous bacteria are part… …   Wikipedia

  • Exogenous inclusion — Exogenous inclusion. См. Экзогенные включения. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

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