| nicotinic acid |
niacin: a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
출처: wordnet.princeton.edu/perl/webwn
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| Nicotiana |
Tobacco (Nicotiana tabacum L.) is a broad-leafed plant of the nightshade family, indigenous to North and South America, whose dried and cured leaves are often smoked (see tobacco smoking) in the form of a cigar or cigarette, or in a smoking pipe, or in a water pipe or a hookah. Tobacco is also chewed, "dipped" (placed between the cheek and gum), and consumed as finely powdered snuff tobacco, which is sniffed into the nose. ...
출처: en.wikipedia.org/wiki/Nicotiana
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| nicotine poisoning |
Historically, most cases of nicotine poisoning have been the result of its use as an insecticide; however, such use is less frequent now than previously. Every year many children go to the emergency room after eating cigarettes or cigarette butts. Sixty milligrams of nicotine will kill an adult, which is about the amount of nicotine in three or four cigarettes or half a cigar, if all nicotine were absorbed. ...
출처: en.wikipedia.org/wiki/Nicotine_poisoning
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| nicotine |
Nicotine is an organic compound, an alkaloid found naturally throughout the tobacco plant, with a high concentration in the leaves. It is considered a carcinogen, and constitutes 0.3 to 5% of the plant by dry weight. The biosynthesis takes place in the roots and it is accumulated in the leaves. It is a potent nerve poison and is included in many insecticides. ...
출처: en.wikipedia.org/wiki/Nicotine
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| nicotinic |
Nicotinic Receptors form ion channels present in the plasma membrane of cells. Their opening is gated by the neurotransmitter acetylcholine (acetylcholine receptors), and by nicotine. Nicotinic acetylcholine receptors are present in many tissues in the body. The neuronal receptors are found in the central nervous system and the peripheral nervous system. ...
출처: en.wikipedia.org/wiki/Nicotinic
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