Originating or produced outside of the organism. SYN: ectogenous, exogenetic. [exo- + G. -gen, production]

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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 factors (as food or a traumatic factor) or an agent (as a disease-producing organism) from outside the organism or system <\exogenous obesity> <\exogenous psychic depression>
3) introduced from or produced outside the organism or system specif not synthesized within the organism or system compare ENDOGENOUS
ex·og·e·nous·ly adv

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originating outside the body or part of the body: applied particularly to substances in the body that are derived from the diet rather than built up by the body's own processes of metabolism. Compare endogenous.

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ex·og·e·nous (ek-sojґə-nəs) [exo- + -genous] 1. developed or originating outside the organism, such as a disease or infection. Called also ectogenous and exogenic. 2. growing by additions to the outside.

Medical dictionary. 2011.

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  • 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 …   The Collaborative International Dictionary of English

  • 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 — exogenism, n. exogenously, adv. /ek soj euh neuhs/, adj. 1. originating from outside; derived externally. 2. Bot. a. (of plants, as the dicotyledons) having stems that grow by the addition of an annual layer of wood to the outside beneath the… …   Universalium

  • exogenous — adjective a) produced or originating outside of an organism b) of a disease: having an external cause Ant: endogenous See Also: exogeny, exogeneity …   Wiktionary

  • exogenous — Describes facts outside the control of the firm. Bloomberg Financial Dictionary Converse of endogenous. Bloomberg Financial Dictionary …   Financial and business terms

  • exogenous — having an external origin Causation and Formation …   Phrontistery dictionary

  • exogenous — adj. outer, having an external source …   English contemporary dictionary

  • exogenous — [ɪk sɒdʒɪnəs, ɛk ] adjective relating to or developing from external factors. Often contrasted with endogenous. Derivatives exogenously adverb …   English new terms dictionary

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