英语释义

• a small or immature ovum

• a small body that contains the female germ cell of a plant; develops into a seed after fertilization

片语

ovulum ovule小卵

pendulous ovule倾下胚珠

atropus ovule直生胚珠

atropous ovule直生胚珠

Circinotropous ovule[植]

campylotropous ovule弯生胚珠

ovule tube胚珠管

unfertilized ovule未受精胚囊

ootid[细胞] 卵细胞；卵子

epiphyllous ovule叶生胚珠

英汉例句

• the experiment showed that ovule culture in overcoming cross-incompatibility between radish and chinese cabbage is of significance.

  试验证明胚珠培养在克服萝卜和大白菜属间杂交不亲和性方面具有一定意义。

• in the plant, bead appearance of ovule be been in becomes an envelope.

  在植物，珠被在胚珠外形成一个封套。

• this phenomenon was probably correlated with ovule abortion.

  这种现象可能与胚珠后期败育有关。

• the results show that there are some distinct morphological changes in the differentiation of ovule epidermal cells in nature-colored cotton.

  有色棉胚珠表皮细胞分化、突起时与普通白色棉一样，具有明显的形态学变化。

• pollen morphology and hydration, ovule development, formation of pollination drop and the pollination process of taxus chinensis (pilg.

  的花粉形态和水合特性及胚珠发育、传粉滴形成与传粉过程。

• ovule primordia are formed in mid-march.

  三月中旬，胚珠原体形成。

• upon further increase of the exogenous hormone concentration, new ovule primordia could be formed from the proliferated nucellus cells, which further developed into many new ovules.

  进一步提高外源激素浓度，珠心细胞又可以分化出新的胚珠原基，进一步长大以后发育成许多新的胚珠。

• this paper reviews the progress made in the investigation of ovule development.

  本文对拟南芥胚珠发育的分子调控机制进行了综述。

• the fibre is formed by initiation protuberance of fibre primordial cells , elongation and secondary wall thickening of ovule epidermal cells .

  棉纤维是由胚珠外表皮单细胞在受精前后经分化突起、伸长和细胞壁增厚而形成。

• the central portion of an ovule in which the embryo sac develops; the megasporangium.

  珠心胚珠的中心，胚芽囊在此发育；大孢子囊。

• ovary, ovule , embryo culture and somatic hybridization could be used to overcome the incompatibility of distant hybridization and hybrid sterility , increase the genetic resources .

  子房、胚珠和胚培养以及体细胞杂交可用于克服远缘杂交的不亲和性和杂种的不育性，有利于拓宽种质资源。

• once the egg is fertilized, the ovule becomes a seed, and the whole ovary becomes a fruit.

  一旦受精卵形成，胚珠就变成一颗种子，整个子房就变成一个水果。

• in present work, the development of anther, formation of pollen grain and development of ovule and formation of embryo sac in ramie were observed.

  本工作对苎麻花药的发育和花粉粒的形成、胚珠的发育和胚囊的形成进行了观察。

• the material for studies on molecular mechanism of genetic regulation in the course of ovule development and gametophytes forming were mainly from the finding and inducement of mutation.

  胚珠发育和雌配子体形成过程中遗传控制分子机理研究的材料主要来源于对突变体的发现和诱导。

• the abnormal ovule often appear simultaneously with the abnormal anther.

  胚珠的异常常伴随着花药的异常而发生。

• the vascular bundle of ovule of phytolacca is evidently from the vascular tissue of receptacle.

  商陆属植物的胚珠维管束明显地来自花托的维管组织。

• during ovule culture sucrose at 5% and 8% was optimum.

  胚珠培养期间的蔗糖浓度以5%和8%为宜。

• this paper reported the first results of ovule culture in beet wide hybridization.

  本文首次报告了甜菜远缘杂交胚珠培养的结果。

• seeds bearing rate is low. 23.27% ovule developed into seed on average for the wild population.

  芍药的结实率较低，野生居群平均只有23.27%的胚珠发育成种子。

• the sterility of distant hybrid can be overcome by ovary, ovule and embryo culture, chromosome double.

  子房、胚珠和胚培养、染色体加倍可用来克服远缘杂种的不育性。

• cotton fibers were induced from cotton ovule callus cells by suspension culture, float culture or filter paper bridge culture.

  用棉花胚珠切块诱导愈伤组织，经悬浮振蕩培养、漂浮培养、滤纸桥法等方法诱导成纤维细胞。

相似词

seed(Seed)人名；(英)锡德