Definition, Betydelse & Synonymer | Engelska ordet EXOGENOUS

Definition av EXOGENOUS

1. exogen, utifrån kommande, yttre (orsak), extern, främmande

Exempel på hur man kan använda EXOGENOUS i en mening

• For example, harmless exogenous factors (such as pollen and food components) can trigger allergy; latex and metals are also known allergens.
• The T×k matrix X contains all exogenous regressors from all equations, but without repetitions (that is, matrix X should be of full rank).
• Neurotoxins are an extensive class of exogenous chemical neurological insults that can adversely affect function in both developing and mature nervous tissue.
• Biomolecules are an important element of living organisms, those biomolecules are often endogenous, produced within the organism but organisms usually need exogenous biomolecules, for example certain nutrients, to survive.
• It is hypothesized that necroptosis can serve as a cell-death backup to apoptosis when the apoptosis signaling is blocked by endogenous or exogenous factors such as viruses or mutations.
• They favored a model that replaced the exogenous growth variable (unexplained technical progress) with a model in which the key determinants of growth were explicit in the model.
• The comparative statics of consumer behavior investigates the effects of changes in the exogenous or independent variables (especially prices and money incomes of the consumers) on the chosen values of the endogenous or dependent variables (the consumer's demands for the goods).
• If the assay involves exogenous reactants (the reagents), then their quantities are kept fixed (or in excess) so that the quantity and quality of the target are the only limiting factors.
• Receptors can be activated by either endogenous agonists (such as hormones and neurotransmitters) or exogenous agonists (such as drugs), resulting in a biological response.
• Endogenous factors involve fetal inability to adequately move, whereas exogenous factors refer to insufficient intrauterine space available for fetal movements.
• While circadian rhythms are defined as regulated by endogenous processes, other biological cycles may be regulated by exogenous signals.
• Self-medication, sometime called do-it-yourself (DIY) medicine, is a human behavior in which an individual uses a substance or any exogenous influence to self-administer treatment for physical or psychological conditions, for example headaches or fatigue.
• Transformation is one of three processes that lead to horizontal gene transfer, in which exogenous genetic material passes from one bacterium to another, the other two being conjugation (transfer of genetic material between two bacterial cells in direct contact) and transduction (injection of foreign DNA by a bacteriophage virus into the host bacterium).
• In econometrics, an endogenous random variable is correlated with the error term in the econometric model, while an exogenous variable is not.
• For instance, estradiol is an endogenous estrogen hormone produced within the body, whereas ethinylestradiol is an exogenous synthetic estrogen, commonly used in birth control pills.
• Optimizing these exogenous pathways in unnatural systems takes iterative fine-tuning of the individual biomolecular components to select the highest concentrations of the desired product.
• Symmetric dimethylarginine, an exogenous isomer of asymmetric dimethylarginine (ADMA) that is used as a renal function tracer/biomarker to diagnose chronic kidney disease.
• In genetic engineering, a gene gun or biolistic particle delivery system is a device used to deliver exogenous DNA (transgenes), RNA, or protein to cells.
• The enzyme metabolizes both endogenous substrates, such as ethanol, acetone, and acetal, as well as exogenous substrates including benzene, carbon tetrachloride, ethylene glycol, and nitrosamines which are premutagens found in cigarette smoke.
• Downregulation of receptors can also occur when receptors have been chronically exposed to an excessive amount of a ligand, either from endogenous mediators or from exogenous drugs.

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