methylthionine chloride
Definition
Noun: A synthetic, dark green crystalline compound used primarily as a biological stain, a topical antiseptic, a redox indicator in chemistry, and a treatment for certain types of poisoning, notably cyanide and methemoglobinemia.
Usage
This is a technical, scientific term. It is used in contexts such as histology (microscopy), chemistry, and clinical medicine. - In the laboratory, methylthionine chloride is a common stain for viewing tissue samples under a microscope. - The doctor administered methylthionine chloride as an antidote for the suspected cyanide poisoning. - Its color change makes methylthionine chloride useful as an oxidation-reduction indicator in titrations.
Advanced Usage
- Pharmacological Agent: In a medical context, it refers specifically to the medicinal form used for its methemoglobin-inducing properties to treat cyanide poisoning or as an antiseptic for urinary tract infections.
- Histological Stain: In biology and pathology, it denotes the dye used to color cellular components, such as nuclei, for enhanced contrast in microscopy.
Variants and Related Words
- Methylene Blue: This is the common name for methylthionine chloride. The two terms are synonymous in most scientific and medical contexts.
- Tetramethylthionine chloride: A more precise chemical name occasionally used.
Synonyms
- Methylene blue
- Swiss blue
- Basic Blue 9 (CI number)
Related Phrases / Compound Terms
- Methylene blue stain: A solution prepared for use in microscopy.
- Methylene blue treatment: A clinical intervention using the compound.
- Methylene blue test: A diagnostic procedure, for example, to assess renal function or reduce methemoglobin levels.
Noun
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a dark green dye used as a stain, an antiseptic, a chemical indicator, and an antidote in cyanide poisoning
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