Glossary Term:


fluorescent in situ hybridization


floo-<b>res</b>-uhnt in <b>sy</b>-too <b>hi</b>-brid-ih-<b>ZAY</b>-shun


a test that can help look at chromosomes. It uses special fluorescent dyes that only attach to certain parts of chromosomes and can find specific deoxyribonucleic acid (DNA) sequences. It can be used to diagnose, to evaluate prognosis (disease outlook), or to look at the remission of a disease. See also chromosome, cytogenetics, deoxyribonucleic acid, remission.