noun

• 1Medicine
  The abnormal presence of erythroblasts in the blood.

  ‘However, the clinical significance of peripheral erythroblastosis after hematopoietic stem cell transplantation (HSCT) has not been evaluated.’

  More example sentences

  • ‘The infected mice developed erythroblastosis in the spleen typical of the early phase of Friend disease.’

  1. 1.1
     another term for haemolytic disease of the newborn
     ‘Pathologic causes include disorders such as sepsis, rubella, toxoplasmosis, occult hemorrhage, and erythroblastosis fetalis.’
     More example sentences

     • ‘Rhesus disease (also called erythroblastosis fetalis) is a blood disease caused by the incompatibility of Rh factors between a fetus and a mother's red blood cells.’