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Nitrogen MeSH Descriptor Data 2023


MeSH Heading
Nitrogen
Tree Number(s)
D01.268.604
D01.362.625
Unique ID
D009584
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D009584
Scope Note
An element with the atomic symbol N, atomic number 7, and atomic weight [14.00643; 14.00728]. Nitrogen exists as a diatomic gas and makes up about 78% of the earth's atmosphere by volume. It is a constituent of proteins and nucleic acids and found in all living cells.
Registry Number
N762921K75
Related Numbers
7727-37-9
CAS Type 1 Name
Nitrogen
See Also
Nitrogen Isotopes
Nitrogen Radioisotopes
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2013/07/08
Nitrogen Preferred
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