Cell Component
polysome Audio
pol·y·some [ pol-ee-sohm ]
Subclass of:
Ribosomes
Definitions related to polyribosomes:
  • (polysome) Complex made up of ribosomal subunits assembled among themselves by the filaments of messenger RNA containing the genetic information; they are involved in the synthesis of peptides.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • 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. (From Rieger et al., Glossary of Genetics: Classical and Molecular, 5th ed)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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