Definition of polyribosome in US English:

noun

• another term for polysome

  Example sentences

  • ‘The growing RNA chain still attached to the polymerase is a target for translating ribosomes or polyribosomes which are engaged in the synthesis of proteins.’
  • ‘Electron microscopy revealed cells with prominent nucleoli and abundant cytoplasmic polyribosomes.’
  • ‘The cytoplasm also contained some mitochondria, granular endoplasmic reticulum, single ribosomes and polyribosomes, and Golgi complexes.’
  • ‘The cytoplasm contained many mitochondria, prominent Golgi apparatus, numerous polyribosomes, moderate endoplasmic reticulum, a few lipid droplets, and, focally, intermediate filaments.’
  • ‘Clumps of polyribosomes were seen in the cytoplasm.’