音标与读法

这里为大家介绍下perisperm 是什么意思，希望能帮助到各位朋友。

中英文翻译

n.

【植物；植物学】外胚乳。

the nutritive tissue outside the sac containing the embryo in some seeds

例句与用法

1.Food materials may be stored in a special tissue derived from the nucellus, called the perisperm .

营养物质可以贮藏于由珠心产生的一种特殊组织，叫外胚乳。

2.Their differences are based on many aspects which include characteristics of morphology , anatomy and epidermis of leaf , types of tapetum in anther walls , patterns of endothecial thickenings , and ways of development of endosperms , presence or absence of perisperm , components of photochemistry , and sequences of rbcl

菖蒲属与天南星科其它属在叶的形态、结构、表面特征，花药绒毡层类型，药室内壁增厚的特点，胚乳的发育方式，外胚乳的有无，植物化学成分， rbcl基因序列等多方面存在着显著的差异。

单词网dAnCi.583316.CoM