Gregor, Who Works In A Pesticide Factory, Comes To The

Gregor, who works in a pesticide factory, comes to the clinic complaining of muscle spasms which interfere with movement and breathing. A blood test shows that he has become contaminated with organophosphate pesticide. The doctor states that this type of pesticide is an acetylcholinesterase inhibitor. How would you explain to Gregor what this means?