Disease Summary help help Associated Targets () Explore Associated Targets list Mondo Description Accumulation of watery fluid in the cavity of a joint. (Dorland, 27th ed) Mondo Term and Equivalent IDs MONDO:0003366: hydrarthrosis DOID:528: hydrarthrosisopen_in_newICD9:719.00: MESH:D006833: open_in_newSCTID:387637008: open_in_new