ovule
英音[ ˈɒvjuːl; ˈəʊvjuːl ] 美音[ ˈoʊvjuːl ]

胚珠

常用释义

词性释义

n.

胚珠;幼籽;卵细胞
例句
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Ovary protects and feeds the seed in a plant The ovule-bearing lower part of a pistil that ripens into a fruit.
雌蕊中含有胚珠的较底的部分,成熟为果实。
然而我们的遗传分析表明MADS21对雄蕊、心皮和胚珠的身份决定没有作用。
显花植物的成熟子房,通常是胚珠受精后形成。
what ' s more , the ovule abortive events of the two species is evident , which may be one of the threatening factors.
两物种胚珠败育现象明显,这也可能是致濒因素之一。
The occupied area of cultured ovule and fibers affected by low temperature had similar trend to the length of the fiber.
低温处理对离体培养棉花胚珠轮廓面积的大小也有相似的影响。
产生雌配子的雌配子体在大孢子囊即胚珠的珠心处发育。
One of them has started growing a tube that transfers the sperm to the ovule of a receptive ovary.
其中一株开始生长出管状器官,用来传送精粉到授粉端花房的胚珠。
The female part of the plant The female , ovule-bearing organ of a flower, including the stigma , style, and ovary .
雌蕊群包括柱头、花柱和子房的花雌蕊,长有胚珠。
棉花纤维突变体胚珠发育过程中主要生化物质的积累特征。
实验参数包括:单个果实种子数、种子重、种子均重、胚珠数、败育数、种子形成率及种子萌发率。
石蜡切片观察还发现胚囊畸形,出现双胚珠和双胚囊。
The procedures are fixation, entire staining, isolation with acid, denudating ovule, transparence, pressuring cover glass and observation.
固定、硼砂洋红整体染色、酸解离、剥离胚珠、透明、压片、观察。
卵子表面上使花粉管穿入的小口。
male reproductive cells travel down the tube and join with the ovule , fertilizing it.
雄性生殖细胞到达花柱然后加入卵子,使它授精。
Porogamy The usual method of fertilization in angiosperms in which the pollen tube enters the ovule by the micropyle. Compare chalazogamy.
被子植物通常的受精方式。花粉管通过珠孔进入胚珠。比较。
Funicle ( funiculus ) The stalk attaching the ovule (later the seed) to the placenta in angiosperm ovaries.
被子植物子房中连接胚珠(之后的种子)和胎座的柄。
取出早脆王胚珠,剥去珠被接种可以有效防止褐化。
The result indicated that the corn is an anatropous ovule, thick nucellus embryo sac.
结果表明玉米是倒生胚珠,厚珠心胚囊。
游客苜蓿胚珠受精后开始有根瘤菌存在,含量随种子的发育而增大。
ovule solitary, basal, erect, orthotropous.
胚珠单生,基部着生,直立。
赤霉素处理的未授粉的胚珠与有种子的胚珠,其坐果和果实生长相似。
胚珠单生在每心皮,基部,。
Compatible pollen tubes reach the ovule where they burst and release the sperm cells.
亲和的花粉管到达胚珠,在胚囊中裂开后释放出精细胞。
子房上位,无毛,具一胚珠每室。
Long and short style female flowers are apparently different in the style length, morphology and structure of stigma, style and ovule.
长短花柱雌花于花柱长短、柱具形态、子房构造等有不同的形态构造,呈现两型性。
Studies on Pollen- Ovule Reaction before Fertilization of Larix principis-rupprechtiiMayr .
华北落叶松胚珠与花粉相互作用的研究。
胚珠1,着生在能育的苞片的背面的中间,最初部分倒生,成熟期变得较直立。
十一月中旬时胚珠原体凸出胎座表面。
Stupid Wolf downstairs, found herself a ovule-bearing pine cones to buy a little doll.
笨狼在楼下找到了松球,一个留给自己,一个送给买洋娃娃的小姑娘。
ovule 1 per locule, pendulous, orthotropous.
每室1胚珠,下垂,倒生。
1·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。
2·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。
3·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。
4·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。
5·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。
同义词
n.
[植]胚珠;幼籽;卵细胞
同根词 (词根ovule)
ovulate adj 具胚珠的
ovulation n 排卵;产卵作用
ovulate vi 排卵