¹ Source: wiktionary.com
Definition of Polysomes
1. polysome [n] - See also: polysome
Medical Definition of Polysomes
1. A multiribosomal structure representing a linear array of ribosomes held together by messenger RNA (RNA, messenger). They represent the active complexes in cellular protein synthesis and are able to incorporate amino acids into polypeptides both in vivo and in vitro. (12 Dec 1998)