title: The aged human appendix: its structure and iron content.
mesh_terms: D000368:Aged; D000375:Aging; D001065:Appendix / Q000032:analysis / Q000166:cytology; D001344:Autopsy; D006651:Histocytochemistry; D006801:Humans; D007501:Iron / Q000032:analysis*; D008875:Middle Aged; D013194:Staining and Labeling
chemical_list: D007501:Iron