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fixative |
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fixative /fix·a·tive/ (fik´sit-iv) an agent used in preserving a histological or pathological specimen so as to maintain the normal structure of its constituent elements.
fixative [fik′sətiv] Etymology: L, figere, to fasten 1 any substance used to bind, glue, or stabilize. 2 any substance used to preserve gross or histologic specimens of tissue for later examination. fixative (fik´s n 1. a substance used to bind, glue, or stabilize. 2. a substance used to preserve gross or histologic specimens of tissue for later examination. fixative an agent such as formalin used in preserving a histological or pathological specimen so as to maintain the normal structure of its constituent elements. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Around 1920, botanists started to embed plant samples in wax, first treating them with alcohol fixatives, which dissolved plant oils. Removing the fixative coatings--many of which are designed to peel off in large, easily disposable pieces--will clean away radioactive particles that had adhered. Samples of the fixative were analyzed to check for Hg content. |
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