FISH

Pronunciation

Definition 1

A laboratory technique used to look at genes or chromosomes in cells and tissues. Pieces of DNA that contain a fluorescent dye are made in the laboratory and added to cells or tissues on a glass slide. When these pieces of DNA bind to specific genes or areas of chromosomes on the slide, they light up when viewed under a microscope with a special light. Also called fluorescence in situ hybridization. (NCI Dictionary)

Definition 2

A grouping of jawed and jawless vertebrate animals usually having fins and a covering of scales or plates, breathing by means of gills, and living almost entirely in the water. (NCI Thesaurus)

Definition 3

Any jawed or jawless organisms in the phylum Chordata including the jawless fish, armored fish, cartilaginous fish, ray-finned fish and lobe-finned fish. (NCI Thesaurus/CDISC)

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