| 单词 | megaloblast |
| 例句 | The polychromatophil degeneration can frequently be observed in nucleated red blood corpuscles, particularly in the megaloblasts. Histology of the Blood Normal and Pathological Professor Henry made several studies and stained a number of slides, verifying in his report the statements of the presence of megaloblasts and nucleated red cells made above. Fat and Blood An Essay on the Treatment of Certain Forms of Neurasthenia and Hysteria The question of the meaning of the normoblasts and megaloblasts has led to lively and significant discussions, partly in favour of, partly against the distinction between these two cell forms. Histology of the Blood Normal and Pathological The nuclei of the megaloblasts are round, shew a good deal of structure, and stain far less deeply. β. Histology of the Blood Normal and Pathological In the conditions, which Biermer, on the grounds of their clinical peculiarities, has distinguished as "essential, pernicious anæmia" megaloblasts on the contrary occur, and represent an embryonic type of development. Histology of the Blood Normal and Pathological At the same time Ehrlich mentioned that the megaloblasts also play a prominent part in embryonic blood formation. Histology of the Blood Normal and Pathological Ehrlich's demonstration of megaloblasts has sufficed for this logical advance. Histology of the Blood Normal and Pathological All researches, which try to obscure or totally deny the distinction between megaloblasts and normoblasts are wrecked by the simple clinical fact that in pernicious anæmia the blood is megaloblastic. Histology of the Blood Normal and Pathological The appearance of megaloblasts and megalocytes is therefore evidence that the regeneration of the blood in the bone-marrow is not proceeding in the normal manner, but in a way which approximates to the embryonic type. Histology of the Blood Normal and Pathological The extreme cases are naturally seldom, such as that of Rindfleisch, in which the whole bone-marrow was found full of megaloblasts. Histology of the Blood Normal and Pathological Schaumann also holds that the separation of the two kinds rests on doubtful foundation, since occasionally it is questionable whether particular cells are the normoblasts or the megaloblasts. Histology of the Blood Normal and Pathological This is especially borne out by the fact that the megaloblasts are present in the blood always in small numbers only, whilst the normoblasts, as above mentioned, are often found in much larger quantities. Histology of the Blood Normal and Pathological And in this way the presence of megaloblasts in the pernicious anæmias is to be explained. Histology of the Blood Normal and Pathological In explaining the presence of the megaloblasts in the blood of Epstein's patient we must keep before us what we have said elsewhere on this kind of cell. Histology of the Blood Normal and Pathological The normoblastic type is found most frequently, but side by side with it, megaloblasts and forms transitional between the two are occasionally found. Histology of the Blood Normal and Pathological It cannot be denied that it is often difficult to decide whether a particular cell is to be regarded as a specially small megaloblast or a large normoblast. Histology of the Blood Normal and Pathological |
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