fixative

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fixative

 [fik´sah-tiv]
an agent used in preserving a histologic or pathologic specimen so as to maintain the normal structure of its constituent elements.

fix·a·tive

(fik'să-tiv),
1. Serving to fix, bind, or make firm or stable.
See also: fluid, solution.
2. A substance used for the preservation of gross and histologic specimens of tissue, or individual cells, usually by denaturing and precipitating or cross-linking the protein constituents.
See also: fluid, solution.

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

(fĭk′sə-tĭv)
n.
Something that fixes, protects, or preserves, especially:
a. A liquid preservative applied to artwork, such as watercolor paintings or charcoal drawings.
b. A solution used to preserve and harden fresh tissue for microscopic examination.
c. A liquid mixed with perfume to prevent rapid evaporation.

fix′a·tive adj.

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 histological specimens of tissue for later examination.

fix·a·tive

(fik'să-tiv)
1. Serving to fix, bind, or make firm or stable.
2. A substance used for the preservation of gross and histologic specimens of tissue, or individual cells, usually by denaturing and precipitating or cross-linking the protein constituents.
See also: fluid, solution

fix·a·tive

(fik'să-tiv)
1. Serving to fix, bind, or make firm or stable.
2. A substance used for the preservation of gross and histologic specimens.

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.
References in periodicals archive ?
Staining of Tissues with Dye Extracts of Pterocarpus osun: Choice of a Fixative
Sections stained with H&E and Movat pentachrome were compared in each of the 10 lung cancer cases after fixation and paraffin embedding using either standard formalin or FineFIX, RCL2, and HOPE fixatives.
The remainder is quickly placed in fixative for light microscopy and EM.
It exhibits the dual advantages of being a hair gel thickener and a film-forming hair fixative.
The gellant is hydroxypropylcellulose at a level of 3-5% and the fixatives are standard hair spray resins at about a 10% level.
Dehydroxanthan gum provides around-the-clock curl retention at a more efficient use level than traditional fixatives, showing a 40% improvement over the next best performing polymer.
Tests showed that traditional fixative polymers (PVP, PVP/VA) lost their holding power in just an hour under test conditions, while Polymer X, a VP/acrylates/lauryl methacrylate copolymer, failed within two hours (Fig.
Bridgewater, NJ-based National Starch Personal Care launched Amaze XT, an all-natural hair styling technology derived from xantham gum that offers superior styling and style retention to PVP-based fixatives.
Some fixatives are oils such as patchouli, sage and sandalwood; balsams, gums and oleoresins such as benzoin, myrrh and oakmoss; and synthetics such as vanillin, musk ambrette, benzyl cinnamate and ethyl phthalate.
Balance hair fixatives offer high performance high-water systems and leave hair touchable and in control, according to executives at National Starch & Chemical.