目的是观察大鼠脊髓前角神经元内维生素 D 依赖性钙结合蛋白（CB）与小白蛋白（PV）的共存情况。
The objective is to observe the co-existence of calbindin-D28k (CB) with parvalbumin (PV) in neurons of the anterior horn of the spinal cord in rats.
通过模拟有助人体、自然存在的金属元素，诸如钙、铁、锌，并结合相同的分子与蛋白质，铅会导致大脑损伤。
Lead causes brain damage by mimicking helpful metals found naturally in the body, such as calcium, iron and zinc, and binding with the same molecules and proteins.
也就是说，这些组织结构是由不溶性无机盐结晶结合到蛋白基质里而成，这些无机盐多以碳酸钙或磷酸钙形式存在。
That is, they incorporate crystals of insoluble inorganic salts, most often calcium carbonate or calcium phosphate, in a matrix of protein.
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