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[ih-rith-roh-bla-stoh-sis] /ɪˌrɪθ roʊ blæˈstoʊ sɪs/
noun, Pathology.
the presence of erythroblasts in the blood.
Also called erythroblastosis fetalis
[fi-tal-is] /fɪˈtæl ɪs/ (Show IPA),
erythroblastosis neonatorum
[nee-uh-nuh-tawr-uh m, -tohr-] /ˌni ə nəˈtɔr əm, -ˈtoʊr-/ (Show IPA)
. this condition in the fetus or newborn, usually caused by an Rh incompatibility between mother and baby.
Origin of erythroblastosis
First recorded in 1930-35; erythroblast + -osis
Related forms
[ih-rith-roh-bla-stot-ik] /ɪˌrɪθ roʊ blæˈstɒt ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for erythroblastosis fetalis


the abnormal presence of erythroblasts in the circulating blood
Also called erythroblastosis fetalis. an anaemic blood disease of a fetus or newborn child, characterized by erythroblasts in the circulating blood: caused by a blood incompatibility between mother and fetus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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erythroblastosis fetalis in Medicine

erythroblastosis fetalis erythroblastosis fe·ta·lis (fē-tā'lĭs)
A severe hemolytic disease of a fetus or newborn caused by production of maternal antibodies for fetal red blood cells, usually involving Rh incompatibility between the mother and fetus. Also called ABO hemolytic disease of newborn, congenital anemia, hemolytic disease of newborn, neonatal anemia.

erythroblastosis e·ryth·ro·blas·to·sis (ĭ-rĭth'rō-blā-stō'sĭs)
n. pl. e·ryth·ro·blas·to·ses (-sēz)
The abnormal presence of erythroblasts in the blood.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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