title: Histochemical evidence for a functional duality of mast cells in human lymph nods.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000473:pathology; D001249:Asthma / Q000473:pathology; D006025:Glycosaminoglycans / Q000032:analysis*; D006632:Histamine / Q000032:analysis*; D006651:Histocytochemistry; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology; D008198:Lymph Nodes / Q000473:pathology*; D008407:Mast Cells / Q000032:analysis* / Q000166:cytology / Q000502:physiology
chemical_list: D006025:Glycosaminoglycans; D006632:Histamine