using a combination of anterograde and retrograde ( phaseolus vulgaris leucoagglutinin ; pha-l and wheat germ agglutinin conjugated horseradish peroxidase ; wga-hrp ) tract-tracing methods and histochemical techniques , a new subdivision of the neostriatum , the marginal division , has been found in the rat brain .
C0019941
horseradish
C0078473
wga-hrp