Medical Subject Headings

Last uploaded: January 31, 2024
Preferred Name

Gases

Synonyms
Definitions

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)

ID

http://purl.bioontology.org/ontology/MESH/D005740

AN

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)

AQL

AD AE AG AI AN BL CF CH CL CS EC HI IM IP ME PD PK RE SD ST TO TU UR

cui

C0017110

DC

1

definition

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)

DX

19660101

EC

poisoning:Gas Poisoning

Inverse of AQ

http://purl.bioontology.org/ontology/MESH/Q000097

http://purl.bioontology.org/ontology/MESH/Q000627

http://purl.bioontology.org/ontology/MESH/Q000493

http://purl.bioontology.org/ontology/MESH/Q000494

http://purl.bioontology.org/ontology/MESH/Q000276

http://purl.bioontology.org/ontology/MESH/Q000138

http://purl.bioontology.org/ontology/MESH/Q000134

http://purl.bioontology.org/ontology/MESH/Q000266

http://purl.bioontology.org/ontology/MESH/Q000378

http://purl.bioontology.org/ontology/MESH/Q000008

http://purl.bioontology.org/ontology/MESH/Q000009

http://purl.bioontology.org/ontology/MESH/Q000032

http://purl.bioontology.org/ontology/MESH/Q000037

http://purl.bioontology.org/ontology/MESH/Q000191

http://purl.bioontology.org/ontology/MESH/Q000302

http://purl.bioontology.org/ontology/MESH/Q000145

http://purl.bioontology.org/ontology/MESH/Q000592

http://purl.bioontology.org/ontology/MESH/Q000737

http://purl.bioontology.org/ontology/MESH/Q000819

http://purl.bioontology.org/ontology/MESH/Q000633

http://purl.bioontology.org/ontology/MESH/Q000600

http://purl.bioontology.org/ontology/MESH/Q000652

http://purl.bioontology.org/ontology/MESH/Q000528

Inverse of RB

0

MDA

19990101

MMR

20140627

MN

D01.362

notation

D005740

prefLabel

Gases

TERMUI

T017324

TH

NLM (1966)

tui

T104

subClassOf

http://purl.bioontology.org/ontology/MESH/D007287

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