Definition of Methylene blue
1. Noun. A dark green dye used as a stain, an antiseptic, a chemical indicator, and an antidote in cyanide poisoning.
Medical Definition of Methylene blue
1.
Methylthionine chloride; dark green crystals or crystalline powder having a bronze-like luster, readily reduced to colourless leukomethylene blue, which in turn is readily oxidised to methylene blue. Used as a bacteriologic stain and as an indicator, and administered orally or intravenously in the treatment of congenital methemoglobinaemia and cyanide poisoning.
Pharmacological action: anti-infective agents, urinary, antidotes, dyes.
Chemical name: Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride
(12 Dec 1998)
Lexicographical Neighbors of Methylene Blue
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