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Macronucleus MeSH Descriptor Data 2026


MeSH Heading
Macronucleus
Tree Number(s)
A11.284.430.106.550
A11.284.430.214.190.875.117.550
Unique ID
D048648
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D048648
Scope Note
The larger of two types of nuclei in ciliate protozoans. It is the transcriptionally active nucleus of the vegetative cells as distinguished from the smaller transcriptionally inert GERMLINE MICRONUCLEUS.
Entry Term(s)
Macronuclei
Previous Indexing
Cell Nucleus (1965-2004)
Public MeSH Note
2005
History Note
2005
Date Introduced
2005/01/01
Last Updated
2009/07/15
Macronucleus Preferred
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