伟大领袖毛主席教导我们:“好生保育儿童”。佝偻病是一种常见的小儿疾病,常影响儿童健康成长,必须给予应有的重视。维生素 D 与佝偻病维生素 D 中,对人类较为重要的是维生素 D_(?)和 D_(?),主要存在于动物性食物里,蛋黄、鱼肉及肝脏中含量很丰富。维生素 D 在胆汁的协助下,被小肠吸收,储存在脂肪中。儿童皮肤角质层较薄,色素又 Chairman Mao, the great leader, taught us: “Good Health and Childcare.” Rickets is a common childhood disease, often affecting the healthy growth of children, we must give due attention. Vitamin D and rickets Vitamin D, the more important to humans is vitamin D_ (?) And D_ (?), Mainly in animal foods, egg yolk, fish and liver are rich in content. Vitamin D is absorbed by the small intestine with the aid of bile and stored in fat. Children’s skin cuticle thinner, pigmented and