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Figure 1 | Nutrition & Metabolism

Figure 1

From: Calcium affects on vascular endpoints

Figure 1

Parathyroid hormone (PTH)-calcium feedback loop that controls calcium homeostasis. Four organs-the parathyroid glands, intestine, kidney, and bone-together determine the parameters of calcium homeostasis. +, positive effect; -, negative effect; 1,25 D, 1,25-dihydroxyvitamin D3; ECF, extracellular fluid.

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