| 释义 |
sulphæmoglobin Biochem. and Med.|ˌsʌlfhiːməʊˈgləʊbɪn|
Also sulph-hæmoglobin, -hemoglobin, (U.S.) sulfhemo-.
[f. sulph- + hæmoglobin.]
A sulphur-containing derivative of hæmoglobin, produced by its reaction with soluble sulphides or sulphides absorbed from the alimentary tract, and giving rise to the greenish discoloration found in putrefying cadavers.
1896A. Bruce tr. Thoma's Text-bk. Gen. Path. I. iii. 43 In poisoning by charcoal fumes, carbonic-oxide-hæmoglobin is formed, and in poisoning by sulphuretted hydrogen, sulph-hæmoglobin or sulph-hæmatin. 1908Hall & Defren tr. Abderhalden's Text-bk. Physiol. Chem. xxiv. 561 This green shade is due to the formation of sulph⁓hemoglobin, which, however, has never been prepared in a pure state. 1947K. Simpson Forensic Med. xxviii. 314 Sulphaemoglobin forms naturally as post-mortem decomposition sets in. 1980Amer. Jrnl. Physiol. CCXXXVIII. H745/2 This report concerns a method for ‘labeling’ red blood cells..by the formation of sulfhemoglobin.
Hence ˌsulphæmoglobiˈnæmia [Gr. αἷµα blood], the presence of sulphæmoglobin in the blood, caused by drug-potentiated absorption of hydrogen sulphide from the alimentary tract, or direct assimilation of the sulpha group from any sulphonamide.
1910Jrnl. Amer. Med. Assoc. 17 Dec. 2181/2 The patient was observed for some weeks, and as the ordinary blood examination failed to reveal any polycythemia or other abnormality to account for the condition, a tentative diagnosis of sulphemoglobinemia was made. 1961A. S. MacNalty Brit. Med. Dict. 1373/2 It [sc. sulphæmoglobin] is produced under the influence of many substances such as nitrates, chlorates, nitrites..etc., causing enterogenous cyanosis or sulphaemoglobinaemia. 1980Amer. Jrnl. Clin. Path. LXXIII. 245/1 In one specimen, marked methemoglobinemia and sulfhemoglobinemia were also demonstrated. |