lethal substance中文什么意思

下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯

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 )是由肉毒梭菌產(chǎn)生的一種強(qiáng)烈的外毒素，是目前已知最毒的天然物質(zhì)，一個(gè)單分子的肉毒素分子就能阻斷一個(gè)神經(jīng)細(xì)胞的功能，通過阻斷運(yùn)動神經(jīng)末梢乙酰膽堿的釋放導(dǎo)致機(jī)體發(fā)生癱瘓，嚴(yán)重者發(fā)生呼吸衰竭而死亡。

√在线天堂中文最新版网,97se亚洲综合色区,国产成人av免费网址,国产成人av在线影院无毒,成人做爰100部片