METHYLENE BLUE

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does methylene blue mean? 

• METHYLENE BLUE (noun)
  The noun METHYLENE BLUE has 1 sense:

1. a dark green dye used as a stain, an antiseptic, a chemical indicator, and an antidote in cyanide poisoning

  Familiarity information: METHYLENE BLUE used as a noun is very rare.

 Dictionary entry details 

• METHYLENE BLUE (noun)

Sense 1

Meaning:

A dark green dye used as a stain, an antiseptic, a chemical indicator, and an antidote in cyanide poisoning

Classified under:

Nouns denoting substances

Synonyms:

methylene blue; methylthionine chloride

Hypernyms ("methylene blue" is a kind of...):

thiazine (a compound made up of a ring of four carbon atoms and one sulfur atom and one nitrogen atom)

stain ((microscopy) a dye or other coloring material that is used in microscopy to make structures visible)

 Context examples 

Cells are methylene blue positive on whole-mount sections of the intestinal mucosa.

(Aberrant Crypt Foci of the Mouse Intestinal Tract, NCI Thesaurus)

Cells are methylene blue positive on whole mounts, cells have basophilic cytoplasm on H and E stain, and may have Beta-catenin staining in the nucleus.

(Aberrant Crypt Foci of the Mouse Intestinal Tract, NCI Thesaurus/MMHCC)

Methylene blue stains to negatively charged cell components like nucleic acids; when administered in the lymphatic bed of a tumor during oncologic surgery, methylene blue may stain lymph nodes draining from the tumor, thereby aiding in the visual localization of tumor sentinel lymph nodes.

(Methylene Blue, NCI Thesaurus)