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Microscopy in Pharmacognosy

Microscopy is one of the most important techniques employed in pharmacognosy for the study and identification of crude drugs. Microscope is the principal instrument used in this technique. Toe microscope is an optical instrument, which is used to magnify smaller,...
The microscope, essentially the compound microscope, which produces high magnification, is basically made by using two convex lenses of short focal length. They are arranged vertically on a common axis at certain distance from each other as shown in...
Microscopical measurements or micrometry and drawing to scale are of significant value in the examination of crude drugs, particularly in differentiating an authentic drug from an adulterant, which may have the same tissues, but constituent cells of varying sizes...
Microscopic analysis of crude drugs is done mainly for the determination of (a) the size, shape and relative position of different cells and I tissues; (b) the chemical nature of the cell walls, and (c) the form and nature...
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