U.S. flag

An official website of the United States government


Send to:

Choose Destination

Vitamin D

A vitamin that includes both CHOLECALCIFEROLS and ERGOCALCIFEROLS, which have the common effect of preventing or curing RICKETS in animals. It can also be viewed as a hormone since it can be formed in SKIN by action of ULTRAVIOLET RAYS upon the precursors, 7-dehydrocholesterol and ERGOSTEROL, and acts on VITAMIN D RECEPTORS to regulate CALCIUM in opposition to PARATHYROID HORMONE.

PubMed search builder options


Tree Number(s): D04.210.500.812.768

MeSH Unique ID: D014807

Registry Number: 1406-16-2

See Also:

Pharmacologic Action:

Supplemental Content

Loading ...