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單詞乎

perisperm

音標(biāo)['perispə:m]
perisperm是什么意思、perisperm怎么讀

perisperm漢語翻譯

【醫(yī)】 外胚乳

perisperm英語解釋

名詞 perisperm:

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

perisperm詳細(xì)解釋

per.i.sperm

n.Botany （名詞）【植物學(xué)】
The nutritive tissue that is derived from the nucleus and surrounds the embryo of the seed.
外胚乳：包在種子胚芽外，產(chǎn)生于細(xì)胞核的營養(yǎng)性組織

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