cortical subdivision schemes were inferred from the analysis of the patterns of callosal connections revealed following multiple injections of hrp contralaterally , as well as from ipsilateral cortico-cortical connections observed after small injections of horseradish peroxidase conjugated with wheat germ agglutinin ( wga-hrp ) into striate cortex .
C0019941
horseradish peroxidase
C0078473
wga-hrp