Land affected or burdened by an easement is called a servient estate, while the land or person benefited by the easement is known as the dominant estate.. If the easement benefits a particular piece of land, it is said to be appurtenant to the land.
Vitamin D obtained from sun exposure, food, and supplements is biologically inert and must undergo two hydroxylations in the body for activation. The first occurs in the liver and converts vitamin D to 25-hydroxyvitamin D [25(OH)D], also known as calcidiol.
20 Aug, 2011 Who discovered 0. Vitamin D is a group of fat soluble vitamins. There are 5 types of vitamin D, but the major forms are referred to as D2 and D3. It is a very unique vitamin because it is capable of being synthesized in the human body with exposure to the sun.