Cholecalciferol is a form of Vitamin D, also called vitamin D3. It has the systematic name "(3β,5Z,7E)-9,10-secocholesta-5,7,10(19)-trien-3-ol". Vitamin D3 is also a steroid much like testosterone, cholesterol and cortisol. Image File history File links Download high resolution version (3090x2631, 16 KB) Summary Chemical structure of cholecalciferol. ... Image File history File links Download high resolution version (3090x2631, 16 KB) Summary Chemical structure of cholecalciferol. ... In science, a common name is any name by which a species or other concept is known that is not the official scientific name. ... There are millions of possible objects that can be described in science, too many to create common names for every one. ... A chemical formula (also called molecular formula) is a concise way of expressing information about the atoms that constitute a particular chemical compound. ... Vitamin D is a fat soluble vitamin that contributes to the maintenance of normal levels of calcium and phosphorus in the bloodstream. ... A steroid is a lipid characterized by a carbon skeleton with four fused rings. ... Testosterone is a steroid hormone from the androgen group. ... Cholesterol chemical structure Cholesterol is a steroid, a lipid, and an alcohol, found in the cell membranes of all body tissues, and transported in the blood plasma of all animals. ... Cortisol is a corticosteroid hormone that is involved in the response to stress; it increases blood pressure and blood sugar levels and suppresses the immune system. ...
Cholecalciferol is the most widely known of the vitamin D series and is a fat soluble vitamin that is stored to some degree in the body.
Cholecalciferol is transferred to the liver where it is converted to calcifediol (25-hydroxycholecalciferol), which is then transferred to the kidneys and converted to calcitriol (1,25-dihyroxycholecalciferol, thought to be the most active form) and 24,25-dihydroxycholecalciferol.
Cholecalciferol and ergocalciferol are hydroxylated in the liver by the enzyme vitamin D 25-hydroxylase to form 25-hydroxycholecalciferol (calcifediol) and 25-hydroxyergocalciferol respectively.
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