Helly's fluid

noun
Hel·ly's fluid | \ ˈhelēz- \

Definition of Helly's fluid 

: a fixing fluid consisting of an aqueous solution of mercuric chloride, potassium dichromate, sodium sulfate, and neutral formalin used in microscopy especially for preservation of the cytoplasm and mitochondria

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History and Etymology for Helly's fluid

after Konrad Helly, born 1875 Swiss pathologist

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