Medical Dictionary

lymphoblastosis

noun lym·pho·blas·to·sis \-ˌblas-ˈtō-səs\
plural lym·pho·blas·to·ses \-ˌsēz\

Medical Definition of LYMPHOBLASTOSIS

:  the presence of lymphoblasts in the peripheral blood (as in acute lymphocytic leukemia or infectious mononucleosis)

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