منابع مشابه
What is stress?
Figure 1. Adaptations and tradeoffs. The theory of allocation predicts that the evolution of adaptations to a particular environment necessitates a loss in fitness in other environments. This prediction has been explored by testing the running speed of lizards at various temperatures. Interestingly, while critical maximum temperatures are positively correlated with the animals’ normal temperatu...
متن کاملWhat Is Compound Stress?
This paper investigates the implementation of stress in English noun-noun compounds. First, a perception experiment examines how listeners perceive prominence in compounds. After that, significant acoustic correlates of prominence are established. Finally, a cluster analysis is described that classifies compounds on the basis of their phonetic features and which is capable of separating differe...
متن کاملWhat Is Oxidative Stress ?
Oxidative stress is well known to be involved in the pathogenesis of lifestyle-related diseases, including atherosclerosis, hypertension, diabetes mellitus, ischemic diseases, and malignancies. Oxidative stress has been defined as harmful because oxygen free radicals attack biological molecules such as lipids, proteins, and DNA. However, oxidative stress also has a useful role in physiologic ad...
متن کاملOxidative stress detection: what for? Part II.
Oxygen-free radicals, more generally known as reactive oxygen species (ROS) along with nitrogen species (RNS) are well recognised for playing a dual role both deleterious and beneficial species. The cumulative generation of ROS/RNS through either endogenous or exogenous insults is termed oxidative stress and is common for many types of diseases that are linked with altered redox regulation of c...
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ژورنال
عنوان ژورنال: Laboratory Medicine
سال: 1996
ISSN: 0007-5027,1943-7730
DOI: 10.1093/labmed/27.1.14