slide (biology) – a thin, flat piece of glass used to hold a specimen for examination under a microscope

To remember the meaning of slide (biology), use the following mnemonic:

I slide (slide) the thin piece of glass under the microscope to examine the specimen.

Slides are essential tools in biological research, enabling a clear, stable view of a specimen under a microscope. To prepare a slide, a small sample of the specimen (such as cells, tissue, or microorganisms) is placed on the glass slide, and a few drops of water or stain may be added to make the structures more visible. A coverslip, which is another thin piece of glass or plastic, is then carefully placed on top to protect the specimen and keep it flat. The prepared slide is then positioned on the microscope stage so that light can pass through it, allowing the specimen to be magnified and examined in detail.