Light microscopy
Light Microscopy
Light microscopy (pronounced: /laɪt maɪˈkrɒskəpi/) is a technique in microscopy that uses visible light and a system of lenses to magnify images of small samples.
Etymology
The term "light microscopy" is derived from the Latin words "lumen" meaning light, and "microscopium" meaning an instrument for viewing objects that are too small to be seen by the naked eye.
History
Light microscopy has its roots in the 17th century with the development of the compound microscope by Antonie van Leeuwenhoek. This marked a significant advancement in the field of biology and medicine, allowing for the detailed observation of microorganisms and cells.
Technique
In light microscopy, light is passed through a specimen and then through a series of lenses that magnify the image. The most common type of light microscope is the compound microscope, which uses multiple lenses to achieve high magnification. Other types include the stereo microscope, which provides a three-dimensional view of the specimen, and the phase-contrast microscope, which enhances the contrast between different parts of the specimen.
Applications
Light microscopy is used in a wide range of scientific fields, including biology, medicine, geology, and materials science. In medicine, it is used to diagnose diseases by examining tissue samples, while in biology it is used to study the structure and function of cells and tissues.
Related Terms
- Microscopy
- Compound microscope
- Stereo microscope
- Phase-contrast microscope
- Biology
- Medicine
- Geology
- Materials science
External links
- Medical encyclopedia article on Light microscopy
- Wikipedia's article - Light microscopy
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