
Keywords: bVFRT; bilateral ventral flexor reflex tract; CTb; cholera toxin B subunit; DAB; 3,3â²-diaminobenzidine; HRP; horseradish peroxidase; IgG; immunoglobulin gamma; LRt; lateral reticular nucleus; NK-1; neurokinin-1; PB; phosphate buffer; PBS; phosphate buff