using single and double labelling techniques respectively , brain-corpora cardiaca-corpora allata complexes of the cockroach blattella germanica have been immunohistochemically investigated with antisera raised against either the vertebrate peptide gastrin-cholecystokinin ( cck-8 ( s ] and/or the locust neurohormone neuroparsin ( npa ) .
C0008328
cholecystokinin
C0037167
cck-8