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erythroblastosis

[ih-rith-roh-bla-stoh-sis]
noun Pathology.
  1. the presence of erythroblasts in the blood.
  2. Also called eryth·roblasto·sis fe·tal·is [fi-tal-is] /fɪˈtæl ɪs/, erythroblasto·sis ne·o·na·to·rum [nee-uh-nuh-tawr-uh m, -tohr-] /ˌni ə nəˈtɔr əm, -ˈtoʊr-/. this condition in the fetus or newborn, usually caused by an Rh incompatibility between mother and baby.
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Origin of erythroblastosis

First recorded in 1930–35; erythroblast + -osis
Related formse·ryth·ro·blas·tot·ic [ih-rith-roh-bla-stot-ik] /ɪˌrɪθ roʊ blæˈstɒt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for erythroblastosis fetalis

erythroblastosis

noun
  1. the abnormal presence of erythroblasts in the circulating blood
  2. 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
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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

erythroblastosis fetalis in Medicine

erythroblastosis fetalis

(fē-tālĭs)
n.
  1. 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.ABO hemolytic disease of newborn congenital anemia hemolytic disease of newborn neonatal anemia RH disease
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erythroblastosis

(ĭ-rĭth′rō-blă-stōsĭs)
n. pl. e•ryth•ro•blas•to•ses (-sēz)
  1. The abnormal presence of erythroblasts in the blood.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.