A litre of teacan contain up to 9mg of fluoride, which in excess can cause skeletal fluorosis, reducing bone quality and causing pain and stiffening of the ligaments.
一升茶树含有高达9毫克的氟化物，过量会导致氟骨症，降低骨骼质量，导致疼痛和韧带僵硬。
Results There was close relationship between the development of skeletal fluorosis and bone formation related gene and bone resorption related gene.
结果骨形成相关基因和骨吸收相关基因与氟骨症的发生密切相关。
Conclusions the status of oxide stress is different in the mechanism about fluorosis injury between bone and kidney. Calcium nutrition play a key role in bone injury in fluorosis.
结论氧化应激在氟中毒组织损害机制中的地位在骨与肾组织中是不同的，钙营养状况在氟中毒骨相损害中有着重要作用。
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