title: Observations on the histochemical "aminopeptidase" reaction in the intestine of certain species of leech (Annelida: Hirudinea), with particular reference to Erpobdella octoculata (L.).
mesh_terms: D000375:Aging; D000626:Aminopeptidases / Q000032:analysis* / Q000037:antagonists & inhibitors; D000818:Animals; D002118:Calcium; D002729:Chloromercuribenzoates; D003035:Cobalt; D003300:Copper; D003486:Cyanides; D004492:Edetic Acid; D004789:Enzyme Activation; D006651:Histocytochemistry; D006863:Hydrogen-Ion Concentration; D007422:Intestines / Q000166:cytology / Q000201:enzymology*; D007854:Lead; D007865:Leeches / Q000201:enzymology*; D008274:Magnesium; D008345:Manganese; D011422:Propionates; D013045:Species Specificity; D015032:Zinc
chemical_list: D002729:Chloromercuribenzoates; D003486:Cyanides; D011422:Propionates; D007854:Lead; D003035:Cobalt; D008345:Manganese; D003300:Copper; D004492:Edetic Acid; D000626:Aminopeptidases; D008274:Magnesium; D015032:Zinc; D002118:Calcium