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Medical Definition of Osmic acid fixative
1. A fixative used alone in buffer or as a postfixative after a glutaraldehyde fixative in electron microscopy; an excellent membrane fixative but a poor preservative of chromatin. (05 Mar 2000)
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1. A fixative used alone in buffer or as a postfixative after a glutaraldehyde fixative in electron microscopy; an excellent membrane fixative but a poor preservative of chromatin. (05 Mar 2000)