发病机理( Mechanism of toxic action): 1.毒物的吸收和代谢 (Absorb and metabolism) 可由呼吸道、胃肠道、皮肤或粘膜吸收; 在肝內代谢,转化;一般经氧化后毒性增 强;经水解,脱胺,脱烷基后降解。 It is absorbed by respiratory or digestive tract, also by skin . mainly in the liver by oxidation, detoxication processes take place.三 、 发 病 机 理 (Mechanism of toxic action)： 1．毒物的吸收和代谢 (Absorb and Metabolism)： 可由呼吸道、胃肠道、皮肤或粘膜吸收； 在肝内代谢，转化；一般经氧化后毒性增 强；经水解，脱胺，脱烷基后降解。 It is absorbed by respiratory or digestive tract, also by skin. .Mainly in the liver by oxidation, detoxication processes take place