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Descriptor English: Nitrogen
Descriptor Spanish: Nitrógeno
Descriptor nitrógeno
Scope note: Elemento de símbolo atómico N, número atómico 7 y peso atómico [14,00643; 14,00728]. El nitrógeno existe como un GAS diatómico y constituye aproximadamente el 78 por ciento del volumen de la ATMÓSFERA terrestre. Es constituyente de las PROTEÍNAS y de los ÁCIDOS NUCLEICOS y se encuentra en todas las CÉLULAS.
Descriptor Portuguese: Nitrogênio
Descriptor French: Azote
Tree number(s): D01.268.604
D01.362.625
RDF Unique Identifier: https://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.
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AG agonists
AN analysis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
DF deficiency
EC economics
HI history
IM immunology
IP isolation & purification
ME metabolism
PD pharmacology
PH physiology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UR urine
Registry Number: N762921K75
CAS Type 1 Name: Nitrogen
Related: Nitrogen Isotopes MeSH
Nitrogen Radioisotopes MeSH
DeCS ID: 9769
Unique ID: D009584
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2013/07/08
Nitrogen - Preferred
Concept UI M0014897
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.
Preferred term Nitrogen



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