erythroblastosis
The presence of erythroblasts in considerable number in the blood. [erythroblast + -osis, condition]
- fetal e. SYN: e. fetalis.
- e. fetalis a grave hemolytic anemia that, in most instances, results from development in an Rh-negative mother of anti-Rh antibody in response to the Rh factor in the (Rh-positive) fetal blood; it is characterized by many erythroblasts in the circulation, and often generalized edema (hydrops fetalis) and enlargement of the liver and spleen; the disease is sometimes caused by antibodies for antigens other than Rh. SYN: anemia neonatorum, congenital anemia, fetal e., hemolytic anemia of newborn, hemolytic disease of newborn, neonatal anemia, Rh antigen incompatibility.

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eryth·ro·blas·to·sis -.blas-'tō-səs n, pl -to·ses -.sēz abnormal presence of erythroblasts in the circulating blood esp ERYTHROBLASTOSIS FETALIS

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n.
the presence in the blood of the nucleated precursors of the red blood cells (erythroblast). This may occur when there is an increase in the rate of red cell production, as in haemorrhagic or haemolytic anaemia, or in infiltrations of the bone marrow by tumours, etc.

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eryth·ro·blas·to·sis (ə-rith″ro-blas-toґsis) 1. the presence in the peripheral blood of abnormally large numbers of erythroblasts (nucleated red cells); called also erythroblastemia. 2. one of the avian leukosis complex of diseases, a condition of fowl marked by increased erythroblasts in the circulating blood, with weakness, pallor, diarrhea, and spontaneous hemorrhages. Called also erythroid leukosis and erythroleukosis.

Medical dictionary. 2011.

Look at other dictionaries:

  • erythroblastosis — [fi tal′ise rith΄rō blas tō′sis] n. 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… …   English World dictionary

  • erythroblastosis — erythroblastosis. См. эритробластоз. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • erythroblastosis — erythroblastotic /i rith roh bla stot ik/, adj. /i rith roh bla stoh sis/, n. Pathol. 1. the presence of erythroblasts in the blood. 2. Also called erythroblastosis fetalis /fi tal is/, erythroblastosis neonatorum /nee euh neuh tawr euhm, tohr / …   Universalium

  • erythroblastosis — noun (plural erythroblastoses) Etymology: New Latin Date: circa 1923 abnormal presence of erythroblasts in the circulating blood; especially erythroblastosis fetalis …   New Collegiate Dictionary

  • erythroblastosis — noun A medical condition in which erythroblasts are abnormally found in the blood. See Also: erythroblastosis fetalis …   Wiktionary

  • erythroblastosis — n. disease characterized by the presence of erythroblasts in the blood …   English contemporary dictionary

  • erythroblastosis — [ɪˌrɪθrə(ʊ)blas təʊsɪs] noun Medicine the abnormal presence of erythroblasts in the blood …   English new terms dictionary

  • erythroblastosis — eryth·ro·blas·to·sis …   English syllables

  • erythroblastosis — n. the presence in the blood of the nucleated precursors of the red blood cells (erythroblasts). This may occur when there is an increase in the rate of red cell production, as in haemorrhagic or haemolytic anaemia, or in infiltrations of the… …   The new mediacal dictionary

  • erythroblastosis — e•ryth•ro•blas•to•sis [[t]ɪˌrɪθ roʊ blæˈstoʊ sɪs[/t]] n. pat the abnormal presence of erythroblasts in the blood, esp. in the fetus or newborn as a result of an Rh incompatibility between mother and baby • Etymology: 1930–35 e•ryth ro•blas•tot′ic …   From formal English to slang

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