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In the fields of histology, pathology, and cell biology, fixation is the preservation of biological tissues from decay due to autolysis or putrefaction. It terminates any ongoing biochemical reactions and may also increase the treated tissues' mechanical strength or stability.
Bouin solution, or Bouin's solution, is a compound fixative used in histology. [1] It was invented by French biologist Pol Bouin and is composed of picric acid, acetic acid and formaldehyde in an aqueous solution. [2]
The second method of histology processing is called frozen section processing. This is a highly technical scientific method performed by a trained histoscientist. In this method, the tissue is frozen and sliced thinly using a microtome mounted in a below-freezing refrigeration device called the cryostat. The thin frozen sections are mounted on ...
Histology, [help 1] also known as microscopic anatomy or microanatomy, [1] ... Tissue fixation is required for certain procedures such as antibody-linked ...
Zenker's fixative is a rapid-acting fixative for animal tissues. It is employed to prepare specimens of animal or vegetable tissues for microscopic study. It provides excellent fixation of nuclear chromatin , connective tissue fibers and some cytoplasmic features, but does not preserve delicate cytoplasmic organelles such as mitochondria .
Fixation (alchemy), a process in the alchemical magnum opus; Fixation (histology) in biochemistry, histology, cell biology and pathology, the technique of preserving a specimen for microscopic study; Fixation (population genetics), the state when every individual in a population has the same allele at a particular locus
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Cryofixation is a technique for fixation or stabilisation of biological materials as the first step in specimen preparation for the electron microscopy and cryo-electron microscopy. [1] Typical specimens for cryofixation include small samples of plant or animal tissue , cell suspensions of microorganisms or cultured cells , suspensions of ...