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NAL Agricultural Thesaurus and Glossary

U.S. Department of Agriculture

methylene blue

Definition: A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator. It inhibits guanylate cyclase, and has been used to treat cyanide poisoning and to lower levels of methemoglobin.
Definition Source: Medical Subject Headings 2015
Used For: methylthionine chloride; methylthioninium chloride
Spanish: azul de metileno

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