Glossary Term

Intron

PCR TermsEN

Definition

Non-coding, intervening sequences of DNA that are transcribed, but are removed from within the primary gene transcript and rapidly degraded during maturation of messenger RNA.

Extended Notes

Source: National Cancer Institute, NCI Thesaurus 26.09d, C13249. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-20. No individual clinical interpretation or human reviewer is asserted.

Also Known As

Intervening SequenceIntronIntronic