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Descriptor English: Ergocalciferols
Descriptor Spanish: Ergocalciferoles
Descriptor ergocalciferoles
Entry term(s) calciferoles
vitamina D2
Scope note: Derivados del ERGOSTEROL que se forman por la ruptura del enlace C9-C10 por los RAYOS ULTRAVIOLETA. Se diferencian del COLECALCIFEROL en que tienen un enlace doble entre C22 y C23 y un grupo metilo en C24.
Descriptor Portuguese: Ergocalciferóis
Descriptor French: Ergocalciférol
Entry term(s): Calciferols
D2, Vitamin
Ergocalciferol
Vitamin D 2
Vitamin D2
Tree number(s): D04.210.500.247.222.474
D04.210.500.247.808.412
D04.210.500.812.768.462
D10.570.938.439
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D004872
Scope note: Derivatives of ERGOSTEROL formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. They differ from CHOLECALCIFEROL in having a double bond between C22 and C23 and a methyl group at C24.
Annotation: deficiency: coordinate ERGOCALCIFEROLS /defic (IM) with VITAMIN D DEFICIENCY (IM)
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AG agonists
AI antagonists & inhibitors
AN analysis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
CS chemical synthesis
DF deficiency
EC economics
GE genetics
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
Pharm Action: Calcium-Regulating Hormones and Agents
Vitamins
Bone Density Conservation Agents
Public MeSH Note: 90; was ERGOCALCIFEROL 1967-89; was VITAMIN D 2 1963-66
Online Note: use ERGOCALCIFEROLS to search ERGOCALCIFEROL 1967-89; VITAMIN D 2 1966
History Note: 90; was ERGOCALCIFEROL 1967-89; was VITAMIN D 2 1963-66
DeCS ID: 28245
Unique ID: D004872
NLM Classification: QU 173
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1967/01/01
Date of Entry: 1999/01/01
Revision Date: 2018/05/22
Ergocalciferols - Preferred
Concept UI M0007651
Scope note Derivatives of ERGOSTEROL formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. They differ from CHOLECALCIFEROL in having a double bond between C22 and C23 and a methyl group at C24.
Preferred term Ergocalciferols
Entry term(s) Calciferols
Vitamin D 2 - Narrower
Concept UI M0007650
Preferred term Vitamin D 2
Entry term(s) D2, Vitamin
Ergocalciferol
Vitamin D2



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