Medical Definition of plasmodium
1plural -dia \-dē-ə\play a: a motile multinucleate mass of protoplasm resulting from fusion of uninucleate ameboid cells; also : an organism (as a stage of a slime mold) that consists of such a structureb: syncytium 1
2a capitalized : the type genus of the family Plasmodiidae of sporozoans that includes all the malaria parasites affecting humansbplural -dia : any individual malaria parasite
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