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Related to Ringers solution: lactated Ringer's solution
Ring′er's solu`tion(ˈrɪŋ ərz)
an aqueous solution of the chlorides of sodium, potassium, and calcium in the same concentrations as normal body fluids, used chiefly in the laboratory for sustaining tissue.
[1890–95; after Sydney Ringer (1835–1910), English physician]