Male mice without estrogenreceptors had longer ring digits.
而没有雌激素受体的雄性老鼠的无名指则更长。
2
At a biochemical level, they've documented changes indicating that pain signals are stronger when estrogenreceptors are activated.
在生化层面上，他们已经用文献证明，这些变化表明当雌性激素感受器被激活后疼痛信号更强烈了。
3
First, they used genetic tools to deactivate cell receptors-molecules that send and receive signals to and from other cells-for testosterone and estrogen in the developing limb buds of mouse embryos.