long interspersed elements


Also found in: Medical.

long interspersed elements

[¦lȯŋ ¦in·tər‚spərst ′el·ə·məns]
(genetics)
Families of deoxyribonucleic acid sequences, many truncated, that are inserted singly but in large numbers throughout the genome in many mammals, constituting about 15% of the human genome; some full-length copies are transposons. Abbreviated LINES.
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