单词 | haematin |
释义 | haematinhematinn. Chemistry. 1. The earlier name of haematoxylin n. ΘΚΠ the world > matter > chemistry > organic chemistry > crystalline substances > [noun] > haematoxylin haematin1819 haematoxylin1847 1819 J. G. Children Ess. Chem. Anal. 287 Hematin is the colouring matter of logwood. 1830 J. Lindley Introd. Nat. Syst. Bot. 92 A peculiar principle, called Hæmatin. 2. A bluish-black amorphous substance with metallic lustre, obtained from red blood-corpuscles, in which it exists as a constituent of hæmoglobin. ΚΠ 1845 G. E. Day tr. J. F. Simon Animal Chem. I. 5 Protein, and its various modifications—gelatin, bilin, and the products of its metamorphosis—hæmatin, urea, uric acid, &c. 1881 H. Watts Dict. Chem. VIII. 920 Hæmoglobin is resolved by the action of iodine into hæmatin and globulin. Derivatives haemaˈtinic adj. and n. (a) adj. of or relating to hæmatin (sense 2); (b) n. a medicine which increases the amount of hæmatin in the blood. ΘΚΠ the world > health and disease > healing > medicines or physic > medicines for specific purpose > preparations for treating specific parts > [noun] > for the blood haematinic1855 haematic1867 phytohaemagglutinin1949 1855 A. B. Garrod Essentials Materia Medica (1877) 83 All the preparations of iron appear to act as blood restorers or hæmatinics. 1876 R. Bartholow Pract. Treat. Materia Med. ii. 96 Iron is synergistic as regards hæmatinic effects. ˌhaematiˈnometer n. an instrument for measuring the amount of hæmatin in the blood. ΚΠ 1885 W. Stirling tr. L. Landois Text-bk. Human Physiol. I. 25 In the vessel with parallel sides, or hæmatinometer. Categories » ˌhaematinoˈmetric adj. relating to such measurement. ˌhaematiˈnuria n. see quot. 1886 (now called hæmoglobinuria). ΘΚΠ the world > health and disease > ill health > a disease > disorders of internal organs > urinary disorders > [noun] > blood in urine bloody water1607 haematuria1811 haematinuria1879 haemoglobinuria1881 1879 J. R. Reynolds Syst. Med. V. 468 The existence of hæmatinuria indicates an excessive decomposition of blood corpuscles. 1886 New Sydenham Soc. Lexicon Hæmatinuria, the passing of urine containing the colouring matter of the blood without the corpuscles. This entry has not yet been fully updated (first published 1898; most recently modified version published online September 2021). < n.1819 |
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