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维生素D为类固醇衍生物,具有抗佝偻作用,故称为抗佝偻维生素。维生素D与机体的钙磷代谢有密切关系。缺乏时在儿童引起佝偻病,在成人引起软骨病。不适当的过量服用维生素D,可引起中毒症状。在动物体内镉和维生素D有拮抗作用,维生素D缺乏时镉的毒性作用增加,而大量投与维生素D时可减轻镉的毒性作用。临床上肾功衰竭的病人表现有维生素D的缺乏症状。在肾功衰竭的某些情况下,用维生素D及其类似物进行治疗是很有效的。
Vitamin D is a steroid derivative, with anti-sore 偻 role, it is called anti 佝 偻 vitamins. Vitamin D and the body’s metabolism of calcium and phosphorus are closely related. Lack of rickets in children, causing rickets in adults. Improper overdose of vitamin D can cause symptoms of poisoning. Cadmium and vitamin D in animals have antagonistic effects, vitamin D deficiency, the role of cadmium toxicity increased, and large doses of vitamin D can reduce the toxic effects of cadmium. Clinical manifestations of renal failure in patients with vitamin D deficiency symptoms. In some cases of renal failure, treatment with vitamin D and its analogs is very effective.