fast blue ( fb ) , rhodamine microspheres ( rh ) , horseradish peroxidase ( hrp ) , and wheat germ agglutinin-horseradish peroxidase conjugate ( wga-hrp ) were used as retrograde tracers to study the innervation of the rat superficial pineal gland ( sp ) .
C0078473
wheat germ agglutinin-horseradish peroxidase conjugate
C0019941
hrp