neurotoxin

plural neurotoxins

1. medicineA toxin that specifically acts upon neurons, their synapses, or the nervous system in its entirety.

   There were stretches of days when the lakes were closed because of the algae. It sometimes secreted neurotoxins that could be fatal.

   2020, Brandon Taylor, Real Life, Daunt Books Originals, page 31

   1 more example

   Among those who think of fugu as merely a distant delicacy, knowledge rarely goes beyond the fish’s infamous trait: In the most delicious species, the innards are suffused with the neurotoxin called tetrodotoxin (TTX).

   2020 December 4, Ligaya Mishan, “The Appealing and Potentially Lethal Delicacy That Is Fugu”, in The New York Times Style Magazine, archived from the original on 01 Jan 2021

   Synonyms: neurolysin