vital red

noun

Medical Definition of vital red

: a disazo acid dye used as a biological stain and in the determination of the volume of blood in the body

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Cite this Entry

“Vital red.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/vital%20red. Accessed 22 Sep. 2020.

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