nucleolus(redirected from nucleolus organizer site)
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n. pl. nu·cle·o·li (-lī′)
A small body in the nucleus of a cell that contains protein and RNA and is the site for the synthesis of ribosomal RNA and for the formation of ribosomal subunits.
[New Latin, from Latin, diminutive of nucleus, kernel; see nucleus.]
nu·cle′o·lar (-lər) adj.
n, pl -li (-laɪ)
(Biology) a small rounded body within a resting nucleus that contains RNA and proteins and is involved in the production of ribosomes. Also called: nucleole
[C19: from Latin, diminutive of nucleus]
ˌnucleˈolar, ˈnucleoˌlate, ˈnucleoˌlated adj
nu•cle•o•lus(nuˈkli ə ləs, nyu-)
n., pl. -li (-ˌlaɪ)
a small, rounded body within the cell nucleus, functioning in ribosome manufacture.
A usually round structure located in the nucleus of a cell and involved in the formation of ribosomes, the sites of protein synthesis in cells.
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|Noun||1.||nucleolus - a small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis|
cell nucleus, karyon, nucleus - a part of the cell containing DNA and RNA and responsible for growth and reproduction
n. nucléolo, pequeña estructura esférica en el núcleo celular.