chalazogamy A method of fertilization in angiosperms in which the pollen tube enters the ovule by the chalaza instead of through the micropyle, penetrating the placenta en route.
受精:被子植物一种受精方式,花粉管是通过分而不是通过珠孔进入胚珠。
chalazogamy A method of fertilization in angiosperms in which the pollen tube enters the ovule by the chalaza instead of through the micropyle, penetrating the placenta en route.
受精:被子植物一种受精方式,花粉管是通过分而不是通过珠孔进入胚珠。
声明:以上例句、词性分类均由互联网资源自动生成,分未经过人工审核,其表达内容亦不代表本软件观;若发现问题,欢迎向我们指正。