Neurotoxin -

: Many neurotoxins, such as those in snake venom, bind to neurotransmitter receptors (like nAChR), preventing the chemical messengers from delivering signals between cells.

Neurotoxins operate by attacking the cellular and molecular machinery of the nervous system: neurotoxin

: Heavy metals like lead , mercury , and arsenic , as well as synthetic pesticides, are significant environmental neurotoxins. : Many neurotoxins, such as those in snake

: High-potency toxins like Botulinum neurotoxin (produced by Clostridium botulinum ) block the release of acetylcholine, the chemical that tells muscles to contract. This results in flaccid paralysis, which can be fatal if it affects respiratory muscles. : Many neurotoxins