颈卵器的例句（颈卵器在句子中的用法）

• Early archegonial development is already evident two weeks after pollination. 颈卵器的早期发育在授粉后两周内就业已明显.
• Venter The swollen base of an archegonium that contains the egg cell ( oosphere ). 颈卵器)腹部:颈卵器内含有卵细胞 ( 卵球 ) 而向外膨大的基部.
• The archegonium is generally reduced in nature. 颈卵器在性质上一般是简退的.
• For example, the archegonium ( female organ ) of the moss Funaria secretes sucrose. 例如藓类颈卵器 ( 雌性器官 ) 分泌蔗糖.
• A similar section through the female plant reveals several bottle - shape archegonia , the female reproductory organs. 通过雌株末梢的纵切面所现出的几个瓶 状 的颈卵器, 这就是雌性生殖器官.
• Many forest tree species have multiple archegonia which, after fertilization produce a number of proembryos. 许多林木树种都有颈卵器, 受精以后便产生许多原胚.