Abstract : In addition to its role as a sex hormone, estrogen aff ects the struc ture and function of many other systems such as the bone, the cardiovascular and the nervous system.

• 摘要 ： 雌激素除了作为性激素在生殖系统具有重要作用外，还影响骨骼、 心血管及神经系统的结构和功能；