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钙是人体必需的微量元素,约占体重的2%。其中,有99%的钙元素以羟基磷酸钙的形式储存在骨骼和牙齿当中。值得注意的是,骨骼和牙齿中储存的钙,总是通过破骨细胞的骨吸收和成骨细胞的骨形成、各种相关激素及细胞因子的共同作用使骨吸收与骨形成偶联,从而维持骨钙和血钙的动态平衡
Calcium is the body’s essential trace elements, accounting for about 2% of body weight. Of these, 99% of calcium is stored as calcium hydroxyphosphate in bones and teeth. It is noteworthy that calcium stored in bones and teeth always passes through the bone resorption of osteoclasts and bone formation of osteoblasts. The combination of various related hormones and cytokines couples bone resorption with bone formation and thus To maintain the dynamic balance of bone calcium and calcium