The process of colouring tissue, bacterial samples or other materials to make it possible to examine them and to identify them under the microscope.
Condition in which fluorescein which has been instilled into the eye adheres to the corneal tissue in one or more areas, causing this tissue to fluoresce under ultra violet light.
Adding artificial color to tissues, microorganisms, or cells to make them visible under a microscope. One of the most common techniques involves using the Gram stain, which makes normally colorless bacteria visible. Other types of stains can be used to highlight particular kinds of tissue or cells in a larger sample. For example, an acid-fast stain is used to identify the bacteria that causes tuberculosis.
The process of impregnating a substance, especially a tissue, with pigments so that its components may be visible under a microscope.
The technique of using stains to color cells, tissues, or microorganisms so they can be easily seen or identified when examined under a microscope.