Fluorochrome Dye

**Semantic type:** Indicator, Reagent, or Diagnostic Aid

**Definition:** A class of dyes when excited by light of certain wavelengths, emit photons and become fluorescent. Fluorescence gives fluorochromes imaging characteristics and are used to label or stain biological structures.

**Synonyms:** - Fluorescent Dye - Fluorescent Dye - Fluorophore - Fluorophore