title: Histopathology and histochemistry of insects treated with chemosterilants. VII. On the corpora cardiaca of Periplaneta americana (L) treated with hempa.
abstract: The neurosecretory granules are reduced and intrinsic cells are damaged in the corpora cardiaca of the last instar nymphs of P. americana treated with hempa.
mesh_terms: D000818:Animals; D003058:Cockroaches / Q000033:anatomy & histology*; D006492:Hempa / Q000494:pharmacology*; D009943:Organophosphorus Compounds / Q000494:pharmacology*; D010526:Periplaneta / Q000033:anatomy & histology* / Q000187:drug effects
chemical_list: D009943:Organophosphorus Compounds; D006492:Hempa