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Marchi fixative

Pronunciation: mahr'ke

Definition: a mixture of Müller fixative with osmium tetroxide; potassium chlorate is substituted for the potassium dichromate of Müller fixative for better results; used to demonstrate degenerating myelin.

See Also: Marchi stain

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.