title: Calcium pyrophosphate deposits in synovial membrane.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000378:metabolism; D002118:Calcium / Q000097:blood; D002130:Calcium Phosphates / Q000032:analysis*; D002805:Chondrocalcinosis / Q000378:metabolism; D003460:Crystallization; D011756:Diphosphates / Q000032:analysis*; D006801:Humans; D010744:Phosphoric Monoester Hydrolases / Q000097:blood; D013583:Synovial Membrane / Q000032:analysis*
chemical_list: D002130:Calcium Phosphates; D011756:Diphosphates; D010744:Phosphoric Monoester Hydrolases; D002118:Calcium