nucleolus nucleolus


  • (n) a small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis


  • Both nucleus and cytoplasm contain solid and liquid portions; in addition they contain further specialized units of matter: in the nucleus, membrane, nucleolus, chromosomes; in .
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untenable untenable
/ən ˈtɛ nə bəl /