“珠孔”怎么读？

4个胚珠同时分泌授粉滴,花粉掉落后被授粉滴带进珠孔.Pollination drops were exuded from 4 ovules at one time.开花当天助细胞珠孔端的丝状器中聚集了大量的钙颗粒.Near anthesis, synergids formed filiform apparatus in which abundant calcium precipitates accumulated pollen tube...

“珠孔”的英语可以翻译为：[生] micropyle ...