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any of various pathological changes seen in living organisms in response to excessive levels of cytotoxic oxidants and free radicals in the environment.Medical dictionary. 2011.
Oxidative stress — represents an imbalance between the production and manifestation of reactive oxygen species and a biological system s ability to readily detoxify the reactive intermediates or to repair the resulting damage. Disturbances in the normal redox state … Wikipedia
oxidative stress — noun (pathology) A condition of increased oxidant production in animal cells, characterized by the release of free radicals and resulting in cellular degeneration • • • Main Entry: ↑oxide … Useful english dictionary
oxidative stress — A condition in which antioxidant levels are lower than normal. Antioxidant levels are usually measured in blood plasma … English dictionary of cancer terms
Stress (biological) — Stress is a biological term which refers to the consequences of the failure of a human or animal body to respond appropriately to emotional or physical threats to the organism, whether actual or imagined. [ The Stress of Life , Hans Selye, 1956.] … Wikipedia
Stress oxydatif — Stress oxydant Les espèces réactives oxygénées (abréviation anglaise : ROS) et leur système de détoxification (version simplifiée). SOD : superoxyde dismutase, GSH peroxydase : glutathion peroxydase. Si ce système est submergé, il… … Wikipédia en Français
Oxidative phosphorylation — The electron transport chain in the mitochondrion is the site of oxidative phosphorylation in eukaryotes. The NADH and succinate generated in the citric acid cycle are oxidized, releasing energy to power the ATP synthase. Oxidative… … Wikipedia
Stress oxydant — Les espèces réactives oxygénées (abréviation anglaise : ROS) et leur système de détoxification (version simplifiée). SOD : superoxyde dismutase, GSH peroxydase : glutathion peroxydase. Si ce système est submergé, il y a une… … Wikipédia en Français
Stress chronique — Le stress chronique est la réponse du cerveau aux évènements déplaisants d une période prolongée sur laquelle un individu n a aucun contrôle. Cela inclut une réponse du système endocrinien causant un afflux de corticoïdes. Si cet afflux continue… … Wikipédia en Français
Natural Stress — Abiotic stress is stress produced by natural factors such as extreme temperatures, wind, drought, and salinity. Man doesn’t have much control over abiotic stresses. It is very important for humans to understand how stress factors affect plants… … Wikipedia
Natural stress — Abiotic stress is stress produced by natural factors such as extreme temperatures, wind, drought, and salinity. Man doesn’t have much control over abiotic stresses. It is very important for humans to understand how stress factors affect plants… … Wikipedia
