(e rit̸h′rō blas tō′sis)
- the appearance of immature, nucleate red blood cells in the circulating blood
- a disease of the developing fetus and newborn infant, characterized by a hemolytic anemia and jaundice and caused by an incompatibility of blood types between mother and fetus, usually involving the Rh factor
See erythroblastosis in American Heritage Dictionary 4
noun pl. e·ryth·ro·blas·to·ses (-sēz)
The abnormal presence of erythroblasts in the blood.
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