Search on: ERGOCALCIFEROLS 
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Descriptor English:   Ergocalciferols 
Descriptor Spanish:   Ergocalciferoles 
Descriptor Portuguese:   Ergocalciferóis 
Synonyms English:   Calciferols
Vitamin D 2  
Tree Number:   D04.808.247.222.474
D04.808.247.808.412
D04.808.812.768.462
D10.570.938.439
Definition English:   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. 
Indexing Annotation English:   deficiency: coordinate ERGOCALCIFEROLS /defic (IM) with VITAMIN D DEFICIENCY (IM)
Pharmacological Action:   Bone Density Conservation Agents
Vitamins
 
History Note English:   90; was ERGOCALCIFEROL 1967-89; was VITAMIN D 2 1963-66 
Allowable Qualifiers English:  
AD administration & dosage AE adverse effects
AG agonists AN analysis
AI antagonists & inhibitors BL blood
CF cerebrospinal fluid CS chemical synthesis
CH chemistry CL classification
CT contraindications DF deficiency
DU diagnostic use EC economics
GE genetics HI history
IM immunology IP isolation & purification
ME metabolism PK pharmacokinetics
PD pharmacology PH physiology
PO poisoning RE radiation effects
SE secretion ST standards
SD supply & distribution TU therapeutic use
TO toxicity UR urine
Record Number:   28245 
Unique Identifier:   D004872 

Occurrence in VHL:
 

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