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Descriptor in English: Oxygen
Descriptor in Spanish: Oxígeno
Descriptor in Portuguese: Oxigênio
Descriptor in French: Oxygène
Entry term(s): Dioxygen
Oxygen 16
Oxygen-16
Tree number(s): D01.268.185.550
D01.362.670
SP4.097.063.949
Scope note: An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration.
Annotation: /metab; consider also OXYGEN CONSUMPTION; /physiol for O2 in pulmonary respiration process but tissue respiration = OXYGEN CONSUMPTION; /ther use; consider also OXYGEN INHALATION THERAPY or HYPERBARIC OXYGENATION; /tox & /pois; consider also HYPEROXIA
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AG agonists
AN analysis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
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
History Note: 1963; for DIOXYGEN use OXYGEN (NM) 1980-2001
See also the descriptors: Hyperoxia MeSH
Hypoxia MeSH
Oxygen Isotopes MeSH
Oxygen Radioisotopes MeSH
DeCS UI: 10269
Descriptor UI: D010100
Date Established: 1963/01/01
Date of Entry: 1999/01/01
Revision Date: 2017/07/04
Oxygen - Preferred
Concept UI M0015671
Scope note An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration.
Preferred term Oxygen
Entry term(s) Oxygen 16
Oxygen-16
Dioxygen - Related but not broader or narrower
Concept UI M0083345
Scope note Molecular oxygen, O2, having two unpaired electrons in its most stable form.
Preferred term Dioxygen



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