| LD |
The amount of a substance that is lethal to 50 per cent of the experimental animals exposed to it. LD 50 is usually expressed as the weight of the substance per unit of body weight of the animal in order to account for weight difference among animals. More information about LD 50 and other measures of exposure to toxic substances can be found at the following site:
출처: www.science.org.au/nova/036/036glo.htm
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| LD |
the lethal dose of a pesticide that will kill half of a test animal population.
출처: www.ipmalmanac.com/glossary/index.asp
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| LDL |
referred to as the "bad" cholesterol because it tends to accumulate on the artery walls, eventually leading to atherosclerosis. Eating too much saturated fat and/or trans fats can elevate LDL blood cholesterol levels.
출처: www.womenshealthmatters.ca/centres/cardio/glossary...
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| LD |
50 ) The statistically derived single dose of a chemical that can be expected to cause death in 50 per cent of a given population of organisms under a defined set of experimental conditions. This figure has often been used to classify and compare toxicity among chemicals but its value for this purpose is doubtful. A commonly used classification of this kind is as follows:Category LD 50 Orally to a Rat (mg/kg body weight)Very Toxic: less than 25 Toxic: from 25 to 200Harmful: from 200 to 2000. ...
출처: www.bseinquiry.gov.uk/report/volume16/gloss3.htm
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| LDL |
Lipoprotein that contains most of the cholesterol in the blood. High levels increase risk for heart disease.
출처: www.surgassoc.com/bariatric_glossary.html
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