the effect of the tachykinin neuropeptides , substance p ( sp ) , neurokinin a ( nka ) and the neurokinin b ( nkb ) receptor agonist , senktide , on the potassium-evoked release of endogenous serotonin ( 5-hydroxytryptamine , 5-ht ) was investigated in superfused tissue slices of rat ventral spinal cord , where 5-ht is known to coexist with sp .
C0039241
tachykinin
C0038581
neurokinin a