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endosperm

英式英标[\'ɛndə,spɝm]
美式音标[\'endə(ʊ)spɜːm]

n. [植] 胚乳

中文词源

endosperm 胚乳

endo-, 内，里面。-sperm, 胚，词源同spread, spore.

英文词源

endosperm (n.): 1819, perhaps from German, from endo- + sperm.

实用例句

1. The endosperm of the nut owes its marked degree of astringency.: 坚果的胚乳由于存在丹宁,所以有显著的涩味.

2. The chalazal parts of the endosperm containing free nuclei forms several lobes.: 包含游离核的合点端胚乳部分形成几个裂片.

3. Heat - denatured wheat endosperm prevented the growth of an embryo implanted on it.: 热变性的小麦胚乳能阻止移植在其上的胚的生长.

4. It accumulates in the amyloplasta of the endosperm cells during grain filling.: 在谷粒灌浆时,它在胚乳细胞的造粒体中积累.

5. The nucellus is usually degraded and absorbed as the endosperm develops.: 珠心通常在胚乳发育时被分解和吸收.

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