nucleole

Thesaurus

Noun

1.

nucleole - a small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis nucleolus cell nucleus, karyon, nucleus - a part of the cell containing DNA and RNA and responsible for growth and reproduction cell organ, cell organelle, organelle - a specialized part of a cell; analogous to an organ; "the first organelle to be identified was the nucleus"

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