in cat carotid bodies ( c.b . 's ) incubated in vitro with [ 3h ] tyrosine to label the stores of catecholamines , it was found that cn promotes dose- and ca2+-dependent release of [ 3h ] dopamine ( da ) from c.b . tissues in parallel to the increased electrical activity recorded from the carotid sinus nerve ( c.s.n . ) .
C0007412
catecholamines
C0013030
dopamine