distributions of neurons located in the central rostral mesencephalon and caudal diencephalon that project to the upper cervical spinal cord , vestibular nuclei , or inferior olive were studied in the cat by using retrograde axonal transport of wheat germ agglutinin conjugated to horseradish peroxidase ( wga-hrp ) .
C0019941
horseradish peroxidase
C0078473
wga-hrp