Concept information
Preferred term
Nitrogen
Type
-
mesh:Descriptor
Definition
- 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.
Narrower concepts
Entry terms
- 7727-37-9 (Nitrogen)
- N762921K75
Allowable Qualifier(s)
- administration & dosage (Qualifier)
- adverse effects (Qualifier)
- agonists (Qualifier)
- analysis (Qualifier)
- blood (Qualifier)
- cerebrospinal fluid (Qualifier)
- chemistry (Qualifier)
- classification (Qualifier)
- deficiency (Qualifier)
- economics (Qualifier)
- history (Qualifier)
- immunology (Qualifier)
- isolation & purification (Qualifier)
- metabolism (Qualifier)
- pharmacokinetics (Qualifier)
- pharmacology (Qualifier)
- physiology (Qualifier)
- poisoning (Qualifier)
- radiation effects (Qualifier)
- standards (Qualifier)
- supply & distribution (Qualifier)
- therapeutic use (Qualifier)
- toxicity (Qualifier)
- urine (Qualifier)
In other languages
-
French
-
7727-37-9 (Nitrogen)
-
N762921K75
-
Nitrogen
URI
http://data.loterre.fr/ark:/67375/JVR-FZZDFCMJ-X
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