n
(biochemistry) A zoosterol that functions in the serum as a cholesterol precursor, and is photochemically converted to vitamin D3 in the skin.
n
(biochemistry) An oxidation product of adrenaline or epinephrine; its semicarbazone is used as a drug to reduce bleeding.
n
(pharmacology) A synthetic analog of vitamin D₃, used in the treatment of conditions resulting from vitamin D deficiency.
n
(organic chemistry, medicine) A cytidine analog, formed from arabinose and cytosine, that has antiviral and anticancer activity.
n
Initialism of all-trans retinoic acid. [(organic chemistry) Tretinoin.]
n
A compound related to vitamin B.
n
(biochemistry, pharmacology) A prehormone which is produced by hydroxylation of vitamin D₃ (cholecalciferol) in the liver.
n
cholecalciferol (vitamin D₃)
n
(biochemistry, pharmacology) A physiologically active metabolic derivative C₂₇H₄₄O₃ of cholecalciferol (1,25-dihydroxycholecalciferol) that is synthesized in the liver and kidney and stimulates the intestinal absorption of calcium.
n
(organic chemistry) Any of several isomeric steroids; 3-dehydroecdysone plays a role in insect hormone biosynthesis
n
(biochemistry) The dihydro form of a (steroidal) metabolite
n
A synthetic vitamin D analogue, activated in the liver, that does not require renal hydroxylation like vitamins D₂ and D₃.
n
(biochemistry) A metabolite of vitamin D, exerting antirachitic activity in animals
n
A dihydroxy- derivative of vitamin D2 that occurs in some plants.
n
Constituent of vitamin D₁ and vitamin D₂.
n
(biochemistry) a biologically active metabolite of vitamin D2 which is more active in curing rickets than its parent
adj
Synonym of isosteroidal
n
(organic chemistry) The metabolite of oestradiol 3-hydroxyestra-1,3,5(10)-trien-17-one
n
(pharmacology) A calcitriol derivative, analog of vitamin D.
n
N-acetylaspartylglutamic acid, a neuropeptide and the third most prevalent neurotransmitter in the mammalian nervous system.
n
A synthetic derivative of thiamine.
n
Abbreviation of vitamin D. [(biochemistry) Any of a number of fat-soluble vitamins, required for normal bone development and that prevents rickets; can be manufactured in the skin on exposure to sunlight.]
n
Any of a combination of substances that, together, function as a vitamin.
n
(biochemistry) Any member of the vitamin B complex.
n
pseudoscientific name for the toxic chemical laetrile, commonly used to falsely market it as a vitamin
n
(biochemistry) Ergocalciferol and lumisterol; a constituent of vitamin D.
n
(biochemistry) Ergocalciferol or calciferol; a constituent of vitamin D.
n
(biochemistry) Cholecalciferol; a constituent of vitamin D.
n
(biochemistry) Dihydroergocalciferol; a constituent of vitamin D.
n
(biochemistry) Sitocalciferol; a constituent of vitamin D.
n
Any of several related fat-soluble vitamins, found in leafy green vegetables, essential for blood clotting.
n
Any of the water soluble bioflavonoids that promotes the resistance of capillaries to permeation.
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