this preferential arrangement of single units as a function of their cf was consistent with the location and orientation of clusters of labeled cells in m resulting from wheat-germ agglutinin labeled with horseradish peroxidase ( wga-hrp ) injections in cf defined loci in the anterior ( aaf ) or primary ( ai ) auditory cortical fields .
C0019941
horseradish peroxidase
C0078473
wga-hrp