[General prophylactic need of vitamin D in winter].
1950
F HAMBURGER
UI
MeSH Term
Description
Entries
D006301
Health Services Needs and Demand
Health services required by a population or community as well as the health services that the population or community is able and willing to pay for.
Health Services Needs,Needs,Needs and Demand, Health Services,Target Population,Health Services Need,Need, Health Services,Needs, Health Services,Population, Target,Populations, Target,Target Populations
D006801
Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012621
Seasons
Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
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.
D014815
Vitamins
Organic substances that are required in small amounts for maintenance and growth, but which cannot be manufactured by the human body.