- 致死物质
- lethal: adj. 致死的，致命的，杀伤性的；〔美国〕外援以提供武 ...
- substance: n. 1.物质，材料；【哲学】实体，本体，本质 (opp ...
- the use of lethal substance: 致命物质的使用
- a substance: a物质:一般指a血型红细胞的凝集原物质
- in substance: 本质上, 基本上; 实际上; 实质上
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lethal substance中文什么意思
- 致死物质
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例句与用法
- Botulinum neurotoxin serotype a produced by the clostridium botulinum , are the most lethal substances known . a single molicule can abolish the function of a nerve cell . the toxins exert their action by blocking the release of the neurotransmitter , acetylcholie , at the neuromuscular junction , the blockage of bont / a makes neuromuscular weakness and flsccid paralysis , and lead to respiratory failure and death . botulinum is a serious public heath problem in developing countries around the world
A型肉毒毒素( botulinumneurotoxinserotypea ， bont a )是由肉毒梭菌产生的一种强烈的外毒素，是目前已知最毒的天然物质，一个单分子的肉毒素分子就能阻断一个神经细胞的功能，通过阻断运动神经末梢乙酰胆碱的释放导致机体发生瘫痪，严重者发生呼吸衰竭而死亡。