nucleolus

A small dense body (sub-organelle) within the nucleus of eukaryotic cells, visible by phase contrast and interference microscopy in live cells throughout interphase. Contains RNA and protein, and is the site of synthesis of ribosomal RNA. The nucleolus surrounds a region of one or more chromosomes (the nucleolar organizer) in which are repeated copies of the DNA coding for ribosomal RNA. ...

nucleolus

a dense protoplasmic body within the nucleus having a high rna content; the site of ribosomal rna synthesis.

Nucleolus

The nucleolus is an organelle found in the nucleus of eukaryotic cells. It forms around specific chromosomal regions in the nucleus and is made up of proteins and RNA. Its primary function is to transcribe and modify ribosomal RNA (rRNA) and integrate ribosomal proteins to form immature ribosomes. It is also part of eukaryotic cells` stress respo....
Found on http://en.wikipedia.org/wiki/Nucleolus

Nucleolus

• (n.) A little nucleus. • (n.) A small rounded body contained in the nucleus of a cell or a protozoan. • (n.) A little nucleus. • (n.) A small rounded body contained in the nucleus of a cell or a protozoan.
Found on http://thinkexist.com/dictionary/meaning/nucleolus/

nucleolus

<cell biology> A small dense body (sub organelle) within the nucleus of eukaryotic cells, visible by phase contrast and interference microscopy in live cells throughout interphase. Contains RNA and protein and is the site of synthesis of ribosomal RNA. The nucleolus surrounds a region of one or more chromosomes (the nucleolar organiser) in wh...
Found on http://www.encyclo.co.uk/local/20973

nucleolus

(from the article `nucleus`) ...of large molecules. The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures ... ...forms part of the ribosomes and is exported to the cytoplasm to help translate the information in mRNA into proteins. Ribosomal RNA is synthesized ... ...
Found on http://www.britannica.com/eb/a-z/n/61

nucleolus

(noo-kle;uo-lus) A dark-staining area within a cell nucleus; the site where ribosomal RNA is produced.
Found on http://www.mhhe.com/biosci/abio/glossary.mhtml

nucleolus

(noo-kle´ә-lәs″) a rounded refractile body in the nucleus of most cells, which is the site of synthesis of ribosomal RNA, becoming enlarged during periods of synthesis and smaller during quiescent periods; multiple nucleoli occur in some cells.
Found on http://www.encyclo.co.uk/local/21001

Nucleolus

(Pl
Found on http://www.encyclo.co.uk/local/20408

nucleolus

nucleole noun a small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis
Found on https://www.encyclo.co.uk/local/20974

Nucleolus

Nu·cle'o·lus noun ; plural Nucleoli . [ Latin , a little nut, dim. of nucleus .] 1. A little nucleus. 2. (Biol.) A small rounded body contained in the nucleus of a cell or a protozoan. » It was termed by Agassiz the entoblast . In the protoz...
Found on http://www.encyclo.co.uk/webster/N/39

Nucleolus

A round or oval body in the nucleus of a eukaryotic cell; consists of DNA and RNA and produces ribos
Found on http://www.superglossary.com/Glossary/Science/Biology/

nucleolus

nucleolus: see cell.
Found on http://www.infoplease.com/ce6/sci/A0916896.html

nucleolus

The nucleolus is the dark circle within the larger mottled circle of the nucleus The site of ribosomal RNA (rRNA) synthesis in eukaryotic cells. The nucleolus is spherical in shape and made up principally of rRNA that is in the process of being transcribed from rRNA genes. It is surrounded by t...
Found on http://www.daviddarling.info/encyclopedia/N/nucleolus.html

nucleolus

Type: Term Pronunciation: nū-klē′ō-lŭs, -lī Definitions: 1. A small, rounded mass within the cell nucleus where ribosomal ribonucleoprotein is produced; it is usually single, but there may be several not bound to membrane accessory nucleoli besides the principal one. The nucleolus is composed of a meshwork (nucleolone...
Found on http://www.medilexicon.com/medicaldictionary.php?t=61270

nucleolus

[n] - a small round body of protein in a cell nucleus
Found on http://www.webdictionary.co.uk/definition.php?query=nucleolus
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