FLUORESCENT DYE
\flʊ͡əɹˈɛsənt dˈa͡ɪ], \flʊəɹˈɛsənt dˈaɪ], \f_l_ʊə_ɹ_ˈɛ_s_ə_n_t d_ˈaɪ]\
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a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)
By Princeton University
Word of the day
Pyramidal Cells
- Projection neurons in cerebral cortex hippocampus. Pyramidal cells a pyramid-shaped soma with apex apical dendrite pointed toward pial surface and other dendrites an axon emerging from base. The axons may have local collaterals but also project outside their cortical region.