| methemoglobin | Haemoglobin in a form incapable of carrying oxygen. (12 Dec 1998) |
|---|---|
| methemoglobin reductase | <enzyme> An erythrocyte enzyme which catalyses the reduction of methemoglobin (ferrihemoglobin) to haemoglobin (ferrohemoglobin). Deficiency produces the inherited disease familial methemoglobinaemia. In the absence of methemoglobin, the enzyme can also reduce methylene blue. Registry number: EC 1.6.- (12 Dec 1998) |
| cyanide methemoglobin | A relatively nontoxic compound of cyanide with methemoglobin, which is formed when methylene blue is administered in cases of cyanide poisoning. Synonym: cyanide methemoglobin. (05 Mar 2000) |