methæmoglobin Chem.
(mɛθiːməʊˈgləʊbɪn)
[See meta- and hæmoglobin.]
A derivative of hæmoglobin obtained by the exposure of an aqueous solution of oxyhæmoglobin to the air; called also methæmoˈglobulin. Hence methæmoglobiˈnemia Path. [Gr. αἷµα blood], presence of methæmoglobin in the blood. methæmoglobiˈnuria Path. [Gr. οὖρον urine], presence of methæmoglobin in the urine.
| 1870 Sorby in Q. Jrnl. Microsc. Sci. X. 400 Hoppe-Seyler's and Preyer's ‘methæmoglobin’. 1888 Med. News LIII. 240 The author, in two cases, observed cyanosis, depending upon methemoglobinemia. 1890 Billings Nat. Med. Dict., Methæmoglobinuria,..Methæmoglobulin. 1897 Allbutt's Syst. Med. IV. 288 The latter [i.e. hæmoglobinuria] is frequently a mixture of hæmoglobin with various derivatives such as methæmoglobinuria. 1899 J. Cagney tr. Jaksch's Clin. Diagn. i. (ed. 4) 73 The methæmoglobin acid solution. |