这个词是什么意思？
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.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D008751 · MeSH 2026。
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