Fluorescence in situ hybridization
| Fluorescence in situ hybridization | |
|---|---|
| Term | Fluorescence in situ hybridization |
| Short definition | fluorescein angiography (ground-EH-seen an-jee-AH-gruh-fee) A procedure that uses a special dye and camera to look at the blood vessels at the back of the eye . A yellow dye called fluorescein is injected into a vein and travels throughout the body, including the blood vessels in the eye. |
| Type | Cancer terms |
| Specialty | Oncology |
| Language | English |
| Source | NCI |
| Comments | |
fluorescence in situ hybridization - (pronounced) (ground-EH-sends in SY-to HY-brih-dih-ZAY-shun) A laboratory method for studying genes or chromosomes in cells and tissues. Pieces of DNA containing a fluorescent dye are made in the laboratory and added to a sample of cells or tissue. When these pieces of DNA attach to specific genes or regions on chromosomes in the sample, they light up when viewed under a microscope with a special light. FISH can be used to identify where a particular gene is located on a chromosome, how many copies of the gene there are, and any chromosomal abnormalities. It is used to diagnose diseases like cancer and to plan treatment. Also called FISH
External links
- Medical encyclopedia article on Fluorescence in situ hybridization
- Wikipedia's article - Fluorescence in situ hybridization
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