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Descriptor English: Gases
Descriptor Spanish: Gases
Descriptor gases
Entry term(s) gas
vapores
Scope note: Estado de vapor de la materia; fluidos no elásticos en los que las moléculas se mueven libremente y sus posiciones medias están alejadas entre sí. Los gases tienden a expandirse indefinidamente, a difundirse y a mezclarse rápidamente con otros gases, a tener relaciones definidas de volumen, temperatura y presión, y a condensarse o licuarse a bajas temperaturas o bajo una presión suficiente. (Traducción libre del original: Grant & Hackh's Chemical Dictionary, 5ªh ed)
Descriptor Portuguese: Gases
Descriptor French: Gaz
Tree number(s): D01.362
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D005740
Scope note: The vapor state of matter; nonelastic fluids in which the molecules are in free movement and their mean positions far apart. Gases tend to expand indefinitely, to diffuse and mix readily with other gases, to have definite relations of volume, temperature, and pressure, and to condense or liquefy at low temperatures or under sufficient pressure. (Grant & Hackh's Chemical Dictionary, 5th ed)
Annotation: does not include natural gas ( = NATURAL GAS see FOSSIL FUELS); does not include blood gases ( = OXYGEN /blood or CARBON DIOXIDE /blood); gas embolism = EMBOLISM, AIR; intestinal gases = GASES + INTESTINES /physiol unless clinically referred to as FLATULENCE (Cat C)
Allowable Qualifiers: AD administration et posologie
AE effets indésirables
AG agonistes
AI antagonistes et inhibiteurs
AN analyse
BL sang
CF liquide cérébrospinal
CH composition chimique
CL classification
CS synthèse chimique
EC économie
HI histoire
IM immunologie
IP isolement et purification
ME métabolisme
PD pharmacologie
PK pharmacocinétique
RE effets des radiations
SD ressources et distribution
ST normes
TO toxicité
TU usage thérapeutique
UR urine
Entry Combination: poisoning:Gas Poisoning
DeCS ID: 5881
Unique ID: D005740
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: 2014/06/27
Gaz - Preferred
Concept UI M0008995
Preferred term Gaz



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