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nucleolus

play
noun nu·cle·o·lus \nü-ˈklē-ə-ləs, nyü-\

Definition of nucleolus

plural nu·cle·o·liplay \-ˌlī\

  1. :  a spherical body of the nucleus of most eukaryotes that becomes enlarged during protein synthesis, is associated with a nucleolus organizer, and contains the DNA templates for ribosomal RNA — see cell illustration

nu·cle·o·lar play \-lər\ adjective


Origin of nucleolus

New Latin, from Latin, diminutive of nucleus


First Known Use: 1845


Medical Dictionary

nucleolus

play
noun nu·cle·o·lus \n(y)ü-ˈklē-ə-ləs\

Medical Definition of nucleolus

plural nu·cle·o·li \-ˌlī\play

  1. :  a spherical body of the nucleus of most eukaryotes that becomes enlarged during protein synthesis, is associated with a nucleolus organizer, and contains the DNA templates for ribosomal RNA—called also plasmosome



Illustration of nucleolus


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