short interspersed elements
Also found in: Medical.
short interspersed elements[′shȯrt ‚in·tər‚spərst ′el·ə·məns]
Families of short deoxyribonucleic acid sequences that are individually inserted abundantly throughout the genome in mammals and other taxons; the 300-base-pair Alu short interspersed elements make up about 5% of the human genome. Abbreviated SINES.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.