外毒素 meaning in English
[医学] exotoxin
Examples
- It is toxic to almost all forms of life including humans . it has broad - spectrum insecticidal activity
外毒素对几乎所有生命形式包括人有毒。具有广谱杀虫活性。 - Beta - exotoxin is an inhibitor of rna polymerase and acts competitively with atp in various biological processes
外毒素是rna聚合酶的抑制剂，在各个生化过程中与atp起竞争作用。 - The toxin may be formed within the pathogen and released when it dies ( endotoxin ) , or secreted through its cell wall ( exotoxin )
在病原体内形成，当病原体裂解时被释放的毒素为内毒素；由病原体通过细胞壁向外分泌的毒素为外毒素。 - When artificially and naturally infected , antibody produced is mainly igg , which with high content and long endurence . igg has multiactivities of antibacterial , antivirus , antiexotoxin and so on . it was proved that humoral immunity play important role against the aev - nh937 strain infection at the beginning of the disease
在人工自动免疫和自然感染后，机体所产生的抗体主要是igg ，它不仅含量多，而且持续时间长，是抗感染免疫的主力，具有抗菌、抗病毒和抗外毒素等多种活性。 - 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。