Fixation (histology) — In the fields of histology, pathology, and cell biology, fixation is a chemical process by which biological tissues are preserved from decay. Fixation terminates any ongoing biochemical reactions, and may also increase the mechanical strength or… … Wikipedia
Histology — Not to be confused with Historiography. A stained histologic specimen, sandwiched between a glass microscope slide and coverslip, mounted on the stage of a light microscope … Wikipedia
fixative — fixativesA thin varnish, natural or synthetic, that is sprayed over charcoal, pastel, oil pastel, oil crayon, pencil, and other drawing mediums, as well as photograps, maps, signs, and unfired ceramics, to protect them from smearing, finger… … Glossary of Art Terms
Perfume — For other uses, see Perfume (disambiguation). The Perfume Maker, by Rodolphe Ernst Perfume (English: /ˈpɝː.fjuːm/, French parfum pronounced: [paʁ.fœ̃]) is a mixture of fragrant … Wikipedia
Fixative (perfumery) — In perfumery, a fixative is a natural or synthetic substance used to reduce the evaporation rate and improve stability when added to more volatile components. This allows the final product to last longer while keeping its original fragrance.… … Wikipedia
stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… … Medical dictionary
Scanning electron microscope — These pollen grains taken on an SEM show the characteristic depth of field of SEM micrographs … Wikipedia
Staining — is an auxiliary technique used in microscopy to enhance contrast in the microscopic image.In biochemistry it involves adding a class specific (DNA, proteins, lipids, carbohydrates) dye to a substrate to qualify or quantify the presence of a… … Wikipedia
Fixative — A medium such as a solution or spray that preserves specimens of tissues or cells. Most biopsies and specimens removed at surgery are fixed in a solution such as formalin (dilute formaldehyde) before further processing takes place. Other common… … Medical dictionary
Brain — This article is about the brains of all types of animals, including humans. For information specific to the human brain, see Human brain. For other uses, see Brain (disambiguation). A chimpanzee brain The brain is … Wikipedia