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ovules相关的网络例句

查询词典 ovules

与 ovules 相关的网络例句 [注:此内容来源于网络,仅供参考]

Ovary superior, disk absent, locules and carpels 3-5 or more; placentation axile; ovules anatropous with a single integument, 10 or more per locule; styles as many as carpels, distinct or connate, generally persistent.

子房上位,无花盘,室和心皮3-5或更多;中轴胎座胚珠倒生,有单个珠被,每子房室有10个或更多的胚珠;花柱和心皮同数,离生或者合生,通常宿存。

Ovary subglobose to elliptic, small, glabrous, 4-locular or more, with 2 anatropous ovules per locule; style filiform, exserted from tube; stigma disciform, capitate, or ampuliform.

子房近球形的到椭圆形,小,无毛,4室或更多,每子房室有2倒生胚珠;花柱丝状,由筒部外露;柱头盘状,头状,或瓶状。

Ovary inferior, with as many carpels and locules as sepals, septa sometimes thin or absent at maturity; placentation axile or parietal, ovules 1 to many per locule, in 1 or several rows or clustered, anatropous, bitegmic; style 1; stigma with as many lobes as sepals or clavate to globose.

子房下位,子房室、心皮与萼片同数,在成熟时隔膜有时薄或无;中轴胎座或侧膜胎座,每室胚珠1到多,排成1或几列或丛生,倒生,具双珠被;花柱1;柱头裂片与萼片同数或棍棒状到球状。

Ovary superior, half inferior, or inferior, 3--5-locular or apically 1-locular and basally 3--5-locular; ovules few or solitary in each locule, erect, pendulous, or anatropous, integument 1 or 2, placentation axile or parietal.

子房上位,半下位,下位的或,或顶部1 和基部3-5室;每室有少数或单个胚珠,直立,下垂,或者倒生,珠被1或者2,中轴胎座或者侧膜胎座。

Ovary surrounded by a coronary disk, partly inferior, becoming inferior in fruit, 2-loculed; ovules anatropous, pendulous, 1 per locule, 1 ovule undeveloped after anthesis; placentation axile.

子房被一个冠状的花盘包围,不完全下位,在果期完全下位,2室;胚珠倒生,下垂,每室1,1胚珠在花后不发育;中轴胎座柱头头状,落叶。

Self-pollination was brought as the essential reason for causing emptied seeds by former researchers. Based on those studies, potassium antimonate and electron microscopy were used to study the calcium distribution of pollens in the micropylar canal of self-pollinated and cross-pollinated ovules and morphological changes in certain cells undergoing programmed cell death from pollination to fertilization, and observation of histo-chemical changes during microgametopyte development was performed by paraffin section.

前人研究认为自交是华北落叶松产生空粒的主要原因,本论文在此基础,运用焦锑酸钾沉淀法配合电镜观察研究了传粉后到受精前异交控制和自交辅助授粉胚珠珠孔道内花粉的钙分布情况,及此过程中细胞程序化死亡超微结构的变化,并通过石蜡切片研究了华北落叶松传粉后到受精前雌配子体发育过程及细胞内含物的变化,以研究在受精前胚珠内是否存在花粉识别与选择系统,探讨钙信号传导和花粉与胚珠相互作用及细胞程序化死亡的关系。

Ovaries 2, distinct; ovules 2 per locule. Style filiform; pistil head thickened, with a short basal collar and apiculate apex.

子房2,离生;每室2胚株花柱丝状雌蕊头状花序加厚,具一短基部叶颈和具细尖先端。

Ovary 2-locular, carpels free at apex; ovules mostly 1 per carpel, less often many, but then most of them sterile, crassinucellar, bitegmic, anatropous, halfway between apotropous and epitropous, pendent from ovary top if solitary, along the carpellary margins if numerous; placentation axile.

子房2室,心皮离生在先端;每心皮多数的胚珠1,较少的通常很多,中途在apotropous和胚珠向上转之间,然而他们中大多数不育,crassinucellar,bitegmic,倒生,中轴胎座花柱和柱头2。

Ovary superior, 2-loculed; ovules 2 per locule; placentation axile, appearing nearly basal, apotropous or anatropous, bitegmic, crassinucellar; style simple, connate; stigma discoid or capitate, rarely 4-lobed, not papillate.

子房上位,2室;每个子房室内2胚珠;中轴胎座,近基部着生,下转或者倒生,具双珠被,具厚珠心;花柱单一,合生;柱头盘状或者头状,很少4裂(Tetrastigma,不具乳突。

Ovary (2 or)3-locular, whole or mostly concealed in disk; ovules axile, 2-9 per locule.

子房(2或) 3室的,全部或大部分藏于花盘;胚珠轴,2-9每室。

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