Calcium

See also: Calcium, Vitamin D and Bone Density Parathyroid Glands Roles of Calcium Contraction of skeletal, cardiac and smooth muscle Blood clotting Control of nerve impulses Increases in the level of calcium cause depression...

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Calcium Channel Blockers

Introduction Calcium channel blockers are a group of medications that use several different mechanisms to disrupt the flow of calcium through calcium channels. They are widely used as antihypertensives and in heart failure, and...

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Calcium, Vitamin D and bone density

Calcium 99% in bone, 1% in blood Obtained through diet (mainly dairy products), absorption controlled by vitamin D.   Calcium Regulation Controlled by Parathyroid hormone, secreted from the parathyroid gland. An increase in PTH,...

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