In order to view the part of the organism and to study the structure of the components of the cells which is usually referred to as histology (the science of studying the structures of the cells.) the slides for the cells have to be prepared and these are then viewed under the microscope. But there are many times while preparing the slides, the sample dries up and leads to the destruction of the cellular components that will not allow the cells to be studied properly. Thus the drying up of the slides can be avoided by using the following steps.
1) clean the slide properly
2) Place the same on the slide
3) Place a drop of water/glycerine on the sample
4) Carefully place the coverslip on the sample avoiding air bubbles using mounting needles
Thus the is the procedure by which good slides can be prepared without the problem of the sample drying up.
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