¹ Source: wiktionary.com
Definition of Nucleosomes
1. nucleosome [n] - See also: nucleosome
Medical Definition of Nucleosomes
1. The repeating structural units of chromatin, each consisting of approximately 200 base pairs of DNA wound around a protein core. This core is composed of the histones h2a, h2b, h3, and h4. (12 Dec 1998)