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parietal placenta
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parietal placenta
Encyclopedia
理学
〔植物形态与结构〕
释
parietal placenta
侧膜胎座
胎座的一种类型。由两个以上心皮构成的单室子房,胚珠着生于心皮腹缝线上。如油菜、黄瓜。
Biology
parietal placenta
侧膜胎座
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