| 单词 |
polychromasia |
| 释义 |
polychromasia Med.|ˌpɒlɪkrəʊˈmeɪzɪə|
[mod.L., back-formation from polychromatic a. (see -ia1).]
= polychromatophilia.
1909R. J. M. Buchanan Blood in Health & Dis. xi. 196 Polychromasia is common; with stains containing methyl blue and eosin such cells may be a light violet or even a distinct blue, with methylene blue and iodine the erythrocytes in this disease exhibit a green colour not usually met with in other forms of anæmia. 1935Whitby & Britton Disorders of Blood iii. 64 For many years polychromasia was considered to be a degeneration until Hawes (1909) showed that the number of polychromatic cells was always approximately parallel to the number of reticulocytes. 1956[see anisocytosis s.v. aniso-]. 1973Woodliff & Herrmann Conc. Haematol. i. 18 In many cells polychromasia of the cytoplasm remains after loss of the nucleus. 1977Proc. R. Soc. Med. LXX. 284/2 Film was leukoerythroblastic and showed polychromasia, anisopoikilocytosis, occasional erythroblasts..and tear-drop cells.
Hence ˌpolychroˈmasic a. = polychromatophil a.; cf. polychromatic a. 2.
1911Jrnl. Path. & Bacteriol. XV. 9 Degenerate forms with vacuolated or irregularly stained and polychromasic cytoplasm are often seen. 1933[see polychromatophilia]. 1942M. M. Wintrobe Clin. Hematol. ii. 56 A close parallelism between the numbers of polychromasic and reticulated cells in various samples of blood has been found, although the proportion of reticulocytes is always higher. |
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