Cells in the right parietal operculum operate as we act in response to other's gestures.当我们对他人的手势作出反应时，起作用的是我们右顶骨的细胞。
Gently hold the male on his back with one hand to expose his underside, and with the other hand, simultaneously squeeze 轻轻的用一只手抓住公鱼并且让它肚皮朝上，同时用另一只手顺着一个方向从鱼鳃后部到肛门处挤压。
Development period from the oosperm to the zygomorphic operculum completely closed lasts . hours at 8-℃.在8-℃条件下,早期胚胎发育全过程共历时 .h.