Medical Definition of anaplasma
1 capitalized : a genus of bacteria of the family Anaplasmataceae that are found in the red blood cells of ruminants, resemble small masses of chromatin without cytoplasm, are transmitted by biting arthropods, and cause anaplasmosis
2plural an·a·plas·ma·ta \-mət-ə\play or an·a·plas·mas : any bacterium of the genus Anaplasma
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