after injection of wheat germ agglutinin conjugated horseradish peroxidase ( wga-hrp ) into the elbow joint of adult rats , labeled neurons were found in the stellate and the t2-t4 ganglia of the ipsilateral sympathetic trunk , and also in dorsal root ganglia at the c4-t4 levels .
C0019941
horseradish peroxidase
C0078473
wga-hrp