title: "Leucine aminopeptidase" activity in the blood system of rhynchocoelan worms.
mesh_terms: D000626:Aminopeptidases / Q000097:blood / Q000378:metabolism*; D000818:Animals; D001808:Blood Vessels / Q000201:enzymology; D004064:Digestive System / Q000201:enzymology; D006651:Histocytochemistry; D010986:Platyhelminths / Q000166:cytology / Q000201:enzymology*
chemical_list: D000626:Aminopeptidases