A small piece of glass that specimens are placed on before they are viewed under the microscope?
Question: A small piece of glass that specimens are placed on before they are viewed under the microscope?
A small piece of glass that specimens are placed on before they are viewed under the microscope is called a slide. Slides are essential for preparing and observing samples in various fields of science, such as biology, chemistry, and medicine. Slides can be made of different materials, such as plastic or quartz, but glass is the most common and widely used. Glass slides have several advantages over other types of slides, such as:
- They are transparent, which allows light to pass through and illuminate the specimen.
- They are smooth and flat, which ensures that the specimen is in focus and evenly distributed on the surface.
- They are durable and resistant to scratches, stains, and chemicals, which preserves the quality and integrity of the specimen.
- They are easy to clean and reuse, which reduces waste and costs.
To prepare a slide for viewing under the microscope, the following steps are usually followed:
- First, a clean and dry glass slide is selected and labeled with a marker or a sticker.
- Second, a small drop of water or another mounting medium is placed on the center of the slide.
- Third, a thin section or a smear of the specimen is placed on top of the drop using a scalpel, a needle, or a swab.
- Fourth, a cover slip is carefully lowered over the specimen at an angle to avoid trapping air bubbles.
- Fifth, the excess water or medium is removed with a tissue or a blotting paper.
- Sixth, the slide is placed on the stage of the microscope and secured with clips.
The slide is now ready to be viewed under the microscope using different magnifications and adjustments. The slide should be handled with care and stored in a safe place after use. Slides can provide valuable information and insights into the structure and function of various specimens, such as cells, tissues, microorganisms, crystals, and more.
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