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Due to an external cause; not arising within the organism.
Growing by addition to the outer surfaces.
Pertaining to those factors in the metabolism of nitrogenous substances obtained from food.



in botany, a term referring to the development of lateral organs in the peripheral cell layers of the main axis of a particular plant organ. Examples of exogenous organs are the leaves that develop in the form of external nodes on the growing point of shoots, root hairs (which are lateral growths of root integuments), and some epidermal growths (trichotomes) of a plant’s aboveground organs.

References in periodicals archive ?
Both exogenous factors and endogenous factors have facilitated China's urban development.
Its limitation lies in its neglect of exogenous factors like state policy.
Beginning with the attendance data, the raw match average figures are also expressed as a ratio to the league average of all other (not involving Hawthorn) games, as a way of mitigating structural effects arising from exogenous factors over time.
The problem is that economic expansion is often more a result of exogenous factors than a product of good governance.
But generally, this is not an area where PE funds are active mainly because the outcome can be binary due to exogenous factors - meaning that the value can go down dramatically for factors beyond your control," Imad Ghandour, the Managing Director of CedarBridge Partners told Banker Middle East.
The economic success of Argentina since 2003 is tied to a series of endogenous and exogenous factors.
If a rise in inflation is mostly due to exogenous factors, like the cost of food and energy in import markets, then there is a point to be argued that it is better to keep interest rates lower for longer.
Buamim also touched upon the exogenous factors that support Dubai's growth by highlighting its links to BRIC countries including Brazil, Russia, India and China by reinforcing bilateral ties with key emerging markets of the world along with South Africa.
A frequent cause of instability of observed values is the statistical evaluation, selected methodology, inhomogeneity of observed animal group and already mentioned endogenous and exogenous factors of the studied animal population and the environment.
These facts imply some other exogenous factors which influence the R&D's payoff deserve to be comprehended.
There is still a fair amount of space on the market but as we look out over the next couple of years, without any exogenous factors that none of us really can control, we think rents will see a spike over these next couple of years.
The basis of consumer acceptance is influenced by a number of endogenous and exogenous factors.