- Any of the RNA- and protein-rich cytoplasmic organelles that are sites of protein synthesis.
Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
- Small cellular components composed of specialized ribosomal RNA and protein; site of protein synthesis.
Definition from: Human Genome Project Information
at the U.S. Department of Energy
- A ribosome is a cellular particle made of RNA and protein that serves as the site for protein synthesis in the cell. The ribosome reads the sequence of the messenger RNA (mRNA) and, using the genetic code, translates the sequence of RNA bases into a sequence of amino acids.
Definition from: Talking Glossary of Genetic Terms from the National Human Genome Research Institute
Related discussion in the Handbook
See also Understanding Medical Terminology.