![]() View a powerpoint presentation on 'Stereology Therory and Experimental Design'īy using unbiased stereology, researchers get unbiased, accurate and reliable data. Other techniques for obtaining quantitative analyses of cell populations, such as counting cell profiles at the top of each physical section, or using ad hoc automatic cell detection algorithms, yield inaccurate and biased results. Then, researchers use a set of rigorously tested rules to mark cells and structures in each sampling site for quantification. Unbiased stereology uses systematic random sampling (a statistical sampling method) to unbiasedly select a representative sample of the region of interest. How much of my region of interest has been damaged by an injury?ĭata and analyses obtained using stereology are more accurate than ad hoc quantitative analyses.Has there been a change in volume of a region of interest?.Has the length of nerve fibers or blood vessels changed?.Is the number of cells in a region of interest in experimental subjects different than controls?.It is often used to help answer questions such as: Stereology plays an important role in validating and rejecting experimental hypotheses. It is used to accurately quantify the number of cells, the length of fibers, and the area and volume of biological structures or regions. Unbiased stereology is recognized in biological research as the best-practice method for quantitative histology.
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