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Nucleolus Organizer Region MeSH Descriptor Data 2025


MeSH Heading
Nucleolus Organizer Region
Tree Number(s)
A11.284.430.106.279.345.190.160.650
G05.360.160.650
G05.360.340.024.380.875
Unique ID
D009697
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D009697
Scope Note
The chromosome region which is active in nucleolus formation and which functions in the synthesis of ribosomal RNA.
Entry Term(s)
Nucleolar Organizer
NLM Classification #
QU 350
Previous Indexing
Cell Nucleolus (1966-1979)
Chromosomes (1966-1979)
Chromosomes, Human (1978-1979)
specific human chromosome (1968-1979)
Public MeSH Note
80
History Note
80
Date Established
1980/01/01
Date of Entry
1979/05/25
Revision Date
2009/07/06
Nucleolus Organizer Region Preferred
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