Preferred Label : helium;
RADLEX synonyms : He;
Definition : Helium. A noble gas with the atomic symbol He, atomic number 2, and atomic weight
4.003. It is a colorless, odorless, tasteless gas that is not combustible and does
not support combustion. It was first detected in the sun and is now obtained from
natural gas. Medically it is used as a diluent for other gases, being especially useful
with oxygen in the treatment of certain cases of respiratory obstruction, and as a
vehicle for general anesthetics. (Dorland, 27th ed) [MeSH];
UMLS CUI (RADLEX) : C0018880;
Origin ID : RID11764;
UMLS CUI : C0018880;
Semantic type(s)
- UMLS correspondences (same concept)
Helium. A noble gas with the atomic symbol He, atomic number 2, and atomic weight
4.003. It is a colorless, odorless, tasteless gas that is not combustible and does
not support combustion. It was first detected in the sun and is now obtained from
natural gas. Medically it is used as a diluent for other gases, being especially useful
with oxygen in the treatment of certain cases of respiratory obstruction, and as a
vehicle for general anesthetics. (Dorland, 27th ed) [MeSH]
