Coverslip
(Science: microscopy) thin glass, plastic, sapphire, SiO, NaCl, etc. Shaped into circles, squares, or rectangles for covering the specimen. Glass coverslips, grade no. 1 1/2, contain a high proportion of covers from 0.17 to 0.18 mm in thickness, close to the lens designer’s specifications for employment of achromatic and apochromatic objectives of high numerical aperture. The thickness and refractive index of the glass coverslip are important because certain of their values have been assumed by the designer and manufacturer. These values have been specified by ASTM: thickness, commercial number 1 1/2: 0.16 to 0.19 mm, refractive index measured at the sodium D lines (589.3 nm), 1.523(0.005).
Dictionary > Coverslip
You will also like...

Freshwater Ecology
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..

Selective Breeding
Gregor Mendel's studies into Monohybrid and Dihybrid crossing and Charles Darwin's study of evolution and natural select..

Human Biology – Food and Digestion
This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

Freshwater Lentic Communities & Animals
This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..

Mendel’s Law & Mendelian Genetics
One of Mendel’s law of inheritance is the “law of dominance”. Read this tutorial to know more about this form of i..

Abiotic and Biotic Factors
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..