He adjective exogenous Alludes to that whose origin is external (Exterior ). The term is usually used in the field of biology and in the field of geology , for example.
Biologically, the organ, the agent, the substance, the effect or the stimulus that is classified as exogenous born outside the body . A disorder of Health In this framework, it can have exogenous or endogenous causes.
The environmental factors that affect a fetus in formation, to name a case, are exogenous. If the mother, in her job , inhale toxic substances that are in the air, your baby can suffer various inconveniences. These problems have an exogenous origin.
A exogenous infection On the other hand, it occurs when the agent reaches the host from an external source. This occurs with sexually transmitted diseases. In the infections endogenous , the agent is already colonizing the host and the infectious process is triggered by a modification of the agent-host relationship.
For the psychology , the exogenous depression is the one that arises from external events : become unemployed, suffer the death of a family member, etc. The endogenous depression On the other hand, it bursts into the brain without an external factor, motivated by physiological alterations or genetic causes.
According to geology , a exogenous phenomenon (or one exogenous force ) develops on the surface of the planet. They do not take place, therefore, inside the Earth.
The exogenous energy Finally, it does not come from within the body , unlike the endogenous energy (generated through food).