Calcidiol
25-hydroxycholecalciferol (a 3,25-diol);the first step in the biological conversion of vitamin D3 to the more active form, calcitriol; it is more potent than vitamin D3.
Synonym: 25-hydroxycholecalciferol, calcifediol.
calcidiol 1a-hydroxylase, 25-hydroxycholecalciferol 1a-hydroxylase, the monooxygenase that forms calcitriol from calcidiol using O2 and NADPH; a deficiency in this enzyme can result in features of a vitamin d deficiency.
Dictionary > Calcidiol
You will also like...

Lights’ Effect on Growth
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..

Human Neurology
Human Neurology deals essentially with the nervous system of humans. It also features the various theories put forward b..

Human Perception – Neurology
This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..

Control of Body Movement
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..

Animal Growth Hormones
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..

Biological Cell Introduction
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..