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外语单词网英语单词endosperm的中文意思

endosperm

英 ['endə(ʊ)spɜːm] 美['ɛndə,spɝm]

n. [植] 胚乳

英英释义

1. nutritive tissue surrounding the embryo within seeds of flowering plants

实用场景例句

A remarkable feature of the endosperm in some plants is the presence of haustoria.: 某些植物胚乳的一个显著特点是具有吸器.

Amyloplast had many ways of genesis and patterns of proliferation in endosperm cell of rice.: 水稻胚乳淀粉质体有多种发生途径和增殖方式.

The segregation model of endosperm characteristics was illustrated under the assumption of no dosage effect.: 文中曾就无基因剂量效应的前提下,例释胚乳性状的分离模式.

Endosperm , cells disorganize gradually along with embryo development.: 随胚的发育和生长,胚乳细胞逐渐解体.

The cellulization of endosperm in Gramineae was summarized and compared.: 文章还对禾本科植物胚乳的细胞化作了比较和总结.

The seed has very big embryo but without endosperm, often provide aril.: 种子有很大的胚但无胚乳, 常具假种皮.

Fig. 3 A model for the biosynthesis of amylopectin cluster in rice endosperm.: 图3水稻胚乳支链淀粉簇合成模型示意图.

Endosperm starch content of sweet maize was lower than normal corn notably.: 甜玉米胚乳淀粉含量显著低于普通玉米.

Fenugreek seed comprises seed coat, endosperm and embryo.: 葫芦巴籽由种皮、胚乳和胚组成.

Turning rice white entails removing a rice grain's bran and germ, which uncovers the white endosperm.: 要将糙米制成精白米则必须将稻谷的麸皮和胚芽去除, 留下白色的胚乳部分.

The other male gamete fuses with the secondary nucleus, forming the primary endosperm nucleus.: 另一个雄配子和次生核结合形成初生胚乳核.

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.

In peas there is an initial deposition of materials in the endosperm following anthesis.: 豌豆中紧随开花期之后胚乳开始有物质积累.

The embryo genesis of Asterad type and the endosperm genesis is of Nuclear type.: 胚胎发育属于紫菀型,胚乳发育属于核型胚乳.

The polar nuclei autonomously developed into endosperm without fertilization and the egg apparatus ultimately degenerated.: 卵器最终退化,极核不经受精自发形成胚乳.

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.

Aleurone layer The outermost proteinrich layer of the endosperm of grass fruits ( e . g . cereal grains ) .: 糊粉层:在谷类种子胚乳最外面的一层或几层细胞,含有大量的糊粉粒.

Endosperm The nutritive tissue that surrounds the embryo in angiosperms.: 胚乳:指包在被子植物胚外方的营养组织.

Results show as follows: Amylose content inner part to the outer part of a wheat endosperm.: 研究结果表明,小麦胚乳中,越接近皮层的部位,直链淀粉含量越低; 越接近麦心的部位直链淀粉含量越高.

Vacuolate inclusions are present in the fat globules of the endosperm of young seeds.: 液泡内含物存在于幼嫩种子胚乳的脂肪珠滴中.

The starchy endosperm of wheat underwent programmed cell death ( PCD ) during its development.: 小麦淀粉胚乳在发育过程中经历程序性细胞死亡 ( PCD ).

The latter causes hydrolysis of the starch in the endosperm.: 此后在胚乳中淀粉酶导致淀粉水解.

Admittedly, much information on the chemical nature of other endosperm tissues, not included here, is available.: 自然, 这里没有概括进去的其它胚乳组织化学性质的许多资料, 也是有用的.

Seminal majority, dinky, seed coat has fossa opening , endosperm flesh is qualitative.: 种子多数, 极小, 种皮有小窝孔, 胚乳肉质.

In flowering plants , for instance, the early stages of endosperm development are often acellular.: 例如在开花植物中, 早期胚乳的发育通常是非细胞组成的.

However, the polar nuclei might develop the normal endosperm as long as they had been fertilized.: 但是, 其极核必需经过受精过程才能发育为胚乳.

The nuclei of endosperm are amitosis and its division is not synchronous.: 胚乳核为无丝分裂,分裂不同步.

中文词源

endosperm 胚乳

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

双语例句

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.

英文词源

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

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