Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Ergocalciferols MeSH Descriptor Data 2025


MeSH Heading
Ergocalciferols
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
Unique ID
D004872
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D004872
Annotation
deficiency: coordinate ERGOCALCIFEROLS /‌defic (IM) with VITAMIN D DEFICIENCY (IM)
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.
Entry Term(s)
Calciferols
Ergocalciferol
Vitamin D 2
Vitamin D2
Pharm Action
Vitamins
Bone Density Conservation Agents
Calcium-Regulating Hormones and Agents
Registry Numbers
0
VS041H42XC
Related Numbers
50-14-6
VS041H42XC
NLM Classification #
QU 173
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
Date Established
1967/01/01
Date of Entry
1999/01/01
Revision Date
2018/05/22
Ergocalciferols Preferred
Vitamin D 2 Narrower
page delivered in 0.128s