Microscopic lamella

What Is a Microscope Cover Glass?

Laboratory microscope slides are typically used together with another piece of glass that is smaller and thinner than the microscope slide. This smaller piece of glass is known as a cover glass or coverslip and is placed over the specimen.

A cover glass helps flatten the surface of the specimen, making it easier to observe under a microscope. It also reduces the rate of evaporation and protects the specimen from contamination by airborne particles^[1].

In summary, a cover glass helps isolate the specimen, prevents direct contact between the microscope lens and the specimen, protects the specimen from dust and contamination, and delays the dehydration and oxidation of the specimen.