Definition of nucleolus
nucleoli
play \nü-ˈklē-ə-ˌlī, nyü-\: 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
From the M-W Editors
Origin and Etymology of nucleolus
New Latin, from Latin, diminutive of nucleus
Medical Dictionary
nucleolus
playMedical Definition of nucleolus
nucleoli
\-ˌlī\play: 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
Learn More about nucleolus
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Britannica.com: Encyclopedia article about nucleolus
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