nucleolus

Noun
  1. A small round body of protein in a cell nucleus;
    Such organelles contain RNA and are involved in protein synthesis (synset 105442853)
    is a type of: cell organ, cell organelle, organelle - a specialized part of a cell; analogous to an organ
    is a part of: cell nucleus, karyon, nucleus - a part of the cell containing DNA and RNA and responsible for growth and reproduction
    same as: nucleole

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