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erythroblastosis definition

eryth·ro·blas·to·sis (e rit̸h′rō blas tō′sis)

noun

  1. the appearance of immature, nucleate red blood cells in the circulating blood
  2. 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
    also called erythroblastosis fetalis erythroblastosis fe·tal·is (fi tal′is)

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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