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  • epigenetic change
  • epigenetic process
  • epigenetics


Changes in the regulation of the expression of gene activity without alteration of genetic structure.

Definition from: NCI Thesaurus via Unified Medical Language SystemThis link leads to a site outside Genetics Home Reference. at the National Library of Medicine

1: Of, relating to, or produced by epigenesis. 2: Relating to, being, or involving a modification in gene expression that is independent of the DNA sequence of a gene (epigenetic carcinogenesis) (epigenetic inheritance).

Definition from: Merriam-Webster's Medical DictionaryThis link leads to a site outside Genetics Home Reference. by Merriam-Webster Inc.

Related discussion in the Handbook

See also Understanding Medical Terminology.

Published: February 1, 2016