the medullary and spinal efferents of the pedunculopontine tegmental nucleus and adjacent mesopontine tegmentum were investigated by employing ( 1 ) the anterograde autoradiographic methodology and ( 2 ) the retrograde transport of hrp and/or wga-hrp in combination with choline acetyltransferase immunohistochemistry .
C0019941
hrp
C0078473
wga-hrp