• (fluorescence microscopy) A technique in which samples that either contain fluorescent compounds or are stained with fluorescent dyes are exposed to a wavelength of light that excites the fluorophore, allowing for an image to be captured by a microscope.
  NCI
  U.S. National Cancer Institute, 2021
• (fluorescence microscopy) Microscope that irradiates fluorescent materials or specimens with ultraviolet, violet, and occasionally blue light, causing the materials to fluoresce.
  CRISP Thesaurus
  National Institutes of Health, 2006
• (fluorescence microscopy) The use of a special microscope to see objects that give off fluorescent light. For example, cells or tissue can be treated with a substance that contains a fluorescent dye. The dye lights up when viewed under a microscope with a special light.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• Microscopy of specimens stained with fluorescent dye (usually fluorescein isothiocyanate) or of naturally fluorescent materials, which emit light when exposed to ultraviolet or blue light. Immunofluorescence microscopy utilizes antibodies that are labeled with fluorescent dye.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025