the tracers are , horseradish peroxidase ( hrp ) , wheat germ agglutinin ( wga ) , cholera toxin subunit b ( ctb ) , wheat germ agglutinin-horseradish peroxidase conjugate ( wga-hrp ) , cholera toxin subunit b-horseradish peroxidase conjugate ( ctb-hrp ) , fast blue ( fb ) , diamidino yellow ( dy ) , and rhodamine microspheres ( rh ) .
C0078473
wheat germ agglutinin-horseradish peroxidase conjugate
C0019941
hrp