摘要
钙是组成人体的重要元素.体内的钙一般以C a2+的形式存在,99%的钙存在于骨骼里,其余分布于细胞内、外液中.生理情况下,细胞内、外液C a2+浓度差1000倍以上.钙的主动转运通过“钙泵”完成,被动内流则依赖于钙通道被激活.胞浆C a2+增多,发挥多种生物学效应.
Ca^2＋ is a important element.It occured as Ca^2＋ in the body ordinarily,the majority about 99 perent of it in the bone and other winthin or without cell fluid. In biophysiologic cond it ion, there is a difference of 1000 time within and without. Its positive transportation is completed by means of Ca^2＋-pump, but meanwhile flowing into cell fluid passively depended up activated Ca^2＋- channel working. High lever Ca^2＋ concentration is playing a great role or biologic effect.
出处
《商洛师范专科学校学报》
2005年第3期121-123,共3页
Journal of Shangluo Teachers College
