Corazonin, American Cockroach, Periplaneta americana

Corazonin is a highly conserved and cardioaccelerating peptide, which has been isolated from the corpus cardiacum of the American cockroach, Periplaneta americana. It is the most potent insect cardioactive neuropeptide.Corazonin (from corazon, Spanish for heart) is produced by lateral brain neurosecretory cells projecting to the corpora cardiaca-corpora allata complex and in neurons of the ventral nerve cord.