论文部分内容阅读
微量元素是指存在于体内各种正常组织、含量稳定、但低于体重0.01%的一类元素,目前已知其中有14种元素为人体所必需,如锌、铜、硒、铁、钴、钥、碘、铬、镍、锡、钒和氟等.如果这些元素缺乏,人体就会出现相应的疾病.其中某些微量元素与眼睛保健有密切关系.缺锌:幼年期缺锌,除可导致生长发育阻滞、男性不育、女性月经不调、食欲减退、抵抗力下降、伤口不易愈合外,还可引起眼睛呆滞,甚至造成终身视力障碍.锌在动物生殖器官中的浓
Trace elements refers to a variety of normal tissues that exist in the body, content is stable, but less than 0.01% of the body weight of a class of elements, of which 14 kinds of elements are known to the body necessary, such as zinc, copper, selenium, iron, cobalt, Key, iodine, chromium, nickel, tin, vanadium and fluorine, etc. If these elements are lacking, the human body will appear the corresponding disease, some of which are closely related to the eye care Zinc deficiency: zinc deficiency in childhood, except Lead to growth and development retardation, male infertility, irregular menstruation in women, loss of appetite, decreased immunity, the wound is not easy to heal, but also can cause eye retardation and even cause lifelong visual impairment.Zinc in animal reproductive organs thick