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anatropous ovule

n. a completely inverted ovule turned back 180 degrees on its stalk

1、[植]倒生胚珠

...：胚珠各部分均匀生长，整个胚珠直立地著生在株柄上，即珠孔、珠心、合点和珠柄处于同一直线上，如荞麦、胡桃胚珠。 2. 倒生胚珠(anatropous ovule)：胚珠一侧生长快，另一侧生长慢，胚珠向生长慢的一侧倒转约1800，珠心并不弯曲，珠孔在珠柄基部的一侧，合点在珠柄相对的一侧，...

2、倒生胚珠

...anatropous 倒生的anatropous ovule 倒生胚珠anaxial 无轴的 ...

anatropous ovule contains倒生胚珠

生物学

n.a completely inverted ovule turned back 180 degrees on its stalk

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