Cresyl violet
Cresyl Violet
Cresyl Violet (pronunciation: /ˈkrɛsɪl ˈvaɪəlɪt/), also known as Cresyl Violet Acetate or CVA, is a dye used in histology for staining neurons in the nervous system.
Etymology
The term "Cresyl" is derived from the organic compound cresol, which is used in the production of the dye. "Violet" refers to the color of the dye when used in staining.
Usage
Cresyl Violet is commonly used in Nissl staining, a method used to differentiate neurons and glia in the central nervous system. The dye binds to RNA, highlighting the Nissl bodies within the neurons. This allows for the visualization of the neuron's structure, including the cell body, dendrites, and axon.
Related Terms
- Nissl Stain: A staining method that uses Cresyl Violet to highlight neurons in the nervous system.
- Neuron: The primary cells of the nervous system, which Cresyl Violet is used to stain.
- Glia: Non-neuronal cells in the nervous system that provide support and protection for neurons.
- RNA: Ribonucleic acid, a molecule that Cresyl Violet binds to during staining.
- Nissl Bodies: Structures within neurons that are highlighted by Cresyl Violet staining.
External links
- Medical encyclopedia article on Cresyl violet
- Wikipedia's article - Cresyl violet
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