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Haematological studies were carried out in pure fetal blood samples obtained fetoscopically in 29 rhesus isoimmunised pregnancies at 18-24 weeks'' gestation, and the values were compared with those obtained in 62 normal control pregnancies. Fetal reticulocytosis or erythroblastaemia was seen only in association with a haemoglobin concentration of 4 g/dl or less. Ten of the 14 fetuses with a haemoglobin concentration below 4 g/dl showed ultrasonographic evidence of hydrops.  相似文献   

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Haematocrit values, haemoglobin concentration, erythrocyte counts, leucocyte counts, erythrocyte sedimentation rate and clotting time of Labeo rohita were determined. The variations in haematological parameters in relation to the size and weight of the fish were also examined. Males had higher haematological values than the females. Seasonal and variations due to maturation of gonads were also apparent.  相似文献   

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Triploid landlocked Atlantic salmon had a larger mean erythrocyte volume but lower erythrocyte count than diploids; the haematocrit was the same in diploids and triploids. Although the total blood haemoglobin content and the mean corpuscular haemoglobin concentration were lower in triploids than in diploids, the actual mean corpuscular haemoglobin content of triploid erythrocytes was higher than that of diploids. The increase in triploid mean erythrocyte volume was mainly due to an increase in cell length; there was only a minor increase in cell width and no increase in cell height. The nucleus of triploid erythrocytes occupied a greater percentage of the corpuscular volume than did the diploid nucleus. Mean cytoplasmic haemoglobin concentration was found to be the same for diploids and triploids when this was taken into account  相似文献   

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A database on cytogenetics in haematology and oncology.   总被引:1,自引:0,他引:1  
The aim of 'Atlas of Genetics and Cytogenetics in Oncology and Haematology' (http://www.infobiogen.fr/services/chromcancer) is to present summarized information on chromosome abnormalities in cancer, with extensions to genes involved in cancer and to cancer-prone diseases. Information is to be updated. This database is made for and by cytogeneticists, molecular biologists, clinicians in oncology and in haematology, and pathologists.  相似文献   

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The effects of phencyclidine, ketamine and an alphaxalone-alphadolone mixture on the haematology of the patas monkeys have been compared. In animals sedated with phencyclidine or ketamine the only significant difference detected was in the mean cell volume. Statistically significant differences in white-cell count and blood coagulation and fibrinolytic activity were found in monkeys which had received alphaxalone-alphadolone. It is suggested that ketamine is a suitable alternative to phencyclidine for haematological studies in these monkeys.  相似文献   

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