Definition of endogenous in English:



  • 1Having an internal cause or origin.

    ‘the expected rate of infection is endogenous to the system’
    Often contrasted with exogenous
    • ‘Second, to what extent are the impediments determined by structural factors beyond the control of the region, and to what extent are they determined by endogenous factors that can be mitigated by regional policy?’
    • ‘The endogenous variables in the system are attendance and price.’
    • ‘Three institutional factors contribute to the endogenous problems of agricultural policy-making in the EU.’
    • ‘In fact the political system is likely to be endogenous to these basic American beliefs.’
    • ‘But the long-term goal is to create the basis for internal development and endogenous growth.’
    • ‘It is assumed that plant growth and development are regulated by the interactions between the environment and endogenous factors, especially hormones.’
    • ‘Wheat price is clearly an endogenous player in the system, particularly at midterm and longer-term horizons.’
    • ‘All species in this system were modeled as endogenous variables in subsequent analyses.’
    • ‘The mean estimates of the firm effects are much smaller in the model system that includes endogenous demand.’
    • ‘First, singing is highly affected by both endogenous and environmental factors, potentially making detection probabilities low and variable.’
    • ‘Further crystallisation and growth of stone are influenced by endogenous and dietary factors.’
    • ‘The questionnaire instead focuses primarily on endogenous factors influencing the economic system.’
    1. 1.1Biology Growing or originating from within an organism.
      ‘endogenous gene sequences’
      • ‘This served as a background level for measurement of endogenous repair systems.’
      • ‘We realize that complete prevention of cross-transmission could have changed our findings, but the majority of cases of acquisition still were considered to be from endogenous origin.’
      • ‘All endogenous genes contain promoter sequences that determine where and when they will be expressed in an organism.’
      • ‘The vast majority of mutations in human tissues are certainly of endogenous origin.’
      • ‘Thus, a well-trained athlete may have a more developed endogenous antioxidant system.’
    2. 1.2Psychiatry (of a disease or symptom) not attributable to any external or environmental factor.
      ‘endogenous depression’
      • ‘According to their monograph, it should not be used during pregnancy, by nursing mothers or by those with endogenous depression.’
      • ‘If the doctor fails to recognize the difference between these two and attempts to purge an endogenous disease, the deficiency will become more deficient.’
      • ‘His theory of endogenous depression as a block in the quest for the self gave a further basis for founding an integrated approach to depression.’
      • ‘They are the main pathogenic factors of endogenous diseases.’
      • ‘It appears that these medicines are not effective in combating symptoms of endogenous depression, which is more responsive to antidepressants.’
    3. 1.3Confined within a group or society.
      • ‘However, characteristics of classrooms and factors endogenous to them still carry great sway over students' decisions to rebel.’
      • ‘The authors recognize that numerous factors, exogenous and endogenous to the community, can cause or contribute to these changes.’
      • ‘For example, the taste for discrimination may be endogenous to a particular society and consequently relatively impervious to competition.’
      • ‘This process is mediated by endogenous factors, so forcing teenagers to bed early, or getting them up early in the morning, is contrary to their natural biological clock.’