A mature embryo sac is composed of egg apparatuses (two synergids and one egg cell), central cells and three antipodal cells.
成熟胚囊包含卵器(由两个助细胞、一个卵细胞组成)，中央细胞及三个反足细胞。
The mature embryo sac contains an egg apparatus, a central cell and three antipodal cells.
成熟胚囊为蓼型胚囊，它包括卵器，一个中央细胞和三个反足细胞。
A clone system designated SAC was established from a SRS-82 mouse ascitic turnout cell line by using limited dilution method.
应用有限稀释法，由小鼠srs - 82腹水瘤细胞系分离得到SAC克隆株系列。
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