论文部分内容阅读
动物及人类的生殖过程及其功能,除受神经内分泌的调节控制外,还受其他很多因素的影响。体内各种无机盐离子在生殖过程各种功能的维持与调节中也起着重要作用。El-Azab等发现,牛在妊娠不同时期,其血浆内锌(Zn~(2+))、铜(Cu~(2+))及镁(Mg~(2+))的含量均不同。血浆Zn~(2+)的含量随着妊娠时间增加而减少,到妊娠第9个月降低到最低点(88μg/100ml);血浆Cu~(2+)含量在怀孕后即见增加,到妊娠第2个月达到最高水平,然后逐渐下降,在妊娠第8个月为100μg/100ml;妊娠牛血浆Mg~(2+)水平一般
Animal and human reproductive processes and their functions, in addition to the regulation and control of neuroendocrine, but also by many other factors. A variety of inorganic salt ions in the body also play an important role in the maintenance and regulation of various functions during the reproductive process. El-Azab et al found that the levels of Zn 2+, Cu 2+ and Mg 2+ in the plasma of the cow were different at different stages of pregnancy. The level of plasma Zn2 + decreased with the increase of gestation time and decreased to the lowest level (88μg / 100ml) at the 9th month of gestation. Plasma Cu2 + content increased after pregnancy, Reached the highest level in the second month and then decreased gradually, which was 100μg / 100ml in the eighth month of gestation; the level of Mg 2+ in the plasma of pregnant cow was normal