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Medical Subject Headings
Last uploaded:
January 16, 2025
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Id | http://purl.bioontology.org/ontology/MESH/D013256
http://purl.bioontology.org/ontology/MESH/D013256
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Preferred Name | Steroids |
Definitions |
A group of polycyclic compounds closely related biochemically to TERPENES. They include cholesterol, numerous hormones, precursors of certain vitamins, bile acids, alcohols (STEROLS), and certain natural drugs and poisons. Steroids have a common nucleus, a fused, reduced 17-carbon atom ring system, cyclopentanoperhydrophenanthrene. Most steroids also have two methyl groups and an aliphatic side-chain attached to the nucleus. (From Hawley's Condensed Chemical Dictionary, 11th ed)
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Synonyms |
Steroid
Steroids, Catatoxic
Catatoxic Steroids
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Type | http://www.w3.org/2002/07/owl#Class |
All Properties
definition | A group of polycyclic compounds closely related biochemically to TERPENES. They include cholesterol, numerous hormones, precursors of certain vitamins, bile acids, alcohols (STEROLS), and certain natural drugs and poisons. Steroids have a common nucleus, a fused, reduced 17-carbon atom ring system, cyclopentanoperhydrophenanthrene. Most steroids also have two methyl groups and an aliphatic side-chain attached to the nucleus. (From Hawley's Condensed Chemical Dictionary, 11th ed) |
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altLabel |
Steroid
Steroids, Catatoxic
Catatoxic Steroids
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prefLabel |
Steroids
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TH |
NLM (1996)
NLM (1966)
NLM (2021)
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notation |
D013256
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DX |
19630101
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Machine permutation |
1963; CATATOXIC STEROIDS was heading 1974-95
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MN |
D04.210.500
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FX |
D011987
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MMR |
20200527
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Mapped from |
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AQL |
AD AE AG AI AN BI BL CF CH CL CS EC HI IM IP ME PD PH PK PO RE SD ST TO TU UR
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HN |
1963; CATATOXIC STEROIDS was heading 1974-95
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subClassOf | |
Semantic type UMLS property | |
Inverse of RB |
0
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DC |
1
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MDA |
19990101
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Inverse of RO | |
type | |
tui |
T109
T121
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cui |
C0038317
C0007401
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AN |
general or unspecified; prefer specific steroid groups or specific steroids; PLANT STEROIDS see PHYTOSTEROLS is also available
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Inverse of AQ |
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TERMUI |
T000996196
T038974
T038971
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