telomere

التعريفات والمعاني

== English == === Etymology === From telo- (“end”) +‎ -mere (“part”). === Pronunciation === IPA(key): /ˈtɛləmɪəɹ/, /ˈtiːləmɪəɹ/ === Noun === telomere (plural telomeres) (genetics) Either of the sequences of DNA at each end of a eukaryotic chromosome. 2004, Peter M. Lansdorp, 11: Telomeres and Telomere Regulation, Robert Paul Lanza (editor), Handbook of Stem Cells, Volume 2: Adult and Fetal Stem Cells, page 127, Chromosome ends or telomeres are composed of guanine-rich repeat sequences and associated proteins. A minimum number of repeats is essential for proper telomere function and to avoid sustained activation of DNA damage pathways that may result in replicative senescence or cell death. ==== Related terms ==== telomerase telomeric ==== Translations ====