Tetrodotoxin (TTX) is a potent neurotoxin that blocks voltage-gated sodium channels (VGSCs). VGSCs play a critical role in neuronal function under both physiological and pathological conditions. TTX has been extensively used to functionally characterize VGSCs. which can be classified as TTX-sensitive or TTX-resistant channels according to their sensitivity to this toxin. https://lecoureures.shop/product-category/ski-de-fond-equipement-skis-enfant-combi/