查询词典 chalazal

Two polar nuclei move to the micropylar end before sperm is released in a gap between the egg cell and central cell and subsequently taking off cytoplasm one after another. The sperm nucleus moving to the egg nucleus runs faster than the one to the polar nuclei. It fuses with the polar nuclei that are moving towards the antipodal cells at the chalazal end, Images showed the fusion process of male and female nuclei and polyspermous fertilization.

精子释放前，两极核移向卵细胞的合点端；两精子释放于卵细胞与中央细胞的间隙后，先后脱去细胞质，然后分别移向卵核和极核，移向卵核的精核快于移向极核的精核；精核与两极核在向反足细胞团方向移动的过程中完成雌雄核融合。

It is the first time that these phenomena were observed: Two nuclei are surrounded by plasma and locate at the central of the female gametophyte and the others nuclei are positioned at the fringe of the female gametophyte; Before the pollen tube enters the female gametophyte. the nuclei in chalazal end begin splitting of plasma and form multinuclear cell.4. The pollens of Gnetumc are spherical or applanate with single aperture. The ornamentation of exine is spine. The basis part of spine is lenience and the top part of spine is tip or obtuse sphere.

首次在买麻藤属植物的雌配子体中观察到2个游离核位于配子体的中央位置，且被一团原生质所包围的，其余的游离核位于边缘的现象以及花粉管进入雌配子体前，合点端的核已经发生胞质分裂形成多核细胞的现象 4、买麻藤的花粉近球形或扁平型，有单萌发孔，外壁表面具小刺状纹饰，小刺基部宽大，末端尖或钝圆。

Petals 3-4.3(-5) mm; ovary white canescent; seeds with conspicuous chalazal collar.

花瓣3-4.3(-5)毫米；子房白色被灰白毛；种子具明显的合点领。

Petals 7-11 mm; ovary pubescent but not white canescent; seeds with inconspicuous chalazal collar.

花瓣7-11毫米；子房具短柔毛但不是白色被灰白毛；种子具不明显的合点领。

Ovary white canescent; seeds with conspicuous chalazal collar; leaves oblong-lanceolate to narrowly ovate, 2-7 cm.

子房白色被灰白毛；种子具明显的合点领；叶长圆状披针形的到狭卵形，2-7 厘米 29 E。

Ovary strigillose, not white canescent; seeds with inconspicuous chalazal collar; leaves sublinear to elliptic or lanceolate, 1-4.5 cm

子房具短糙伏毛，不白色；种子具不明显的合点领；叶近线形到椭圆形或披针形，1-4.5厘米 9

Day by day work, to find out about losing a goal, in the daily work, there is no struggle for direction, personal life and work did not take notes, can not find a Wedge chalazal.

在一天天的工作中，发现工作失去了目标，在日复一日的工作中，没有奋斗的方向，个人的生活和工作根本不搭调，找不到一个锲合点。

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。

Ultrastructurally, the chalazal border of the mature egg cell demonstrates regularly discontinuous regions in which exist a great number of single or double-membrane vesicles.

卵细胞中的质体多含淀粉粒，精细胞中的质体均不含淀粉粒。DNA荧光显示，卵细胞质中具丰富的类核并可以断定环状类核为线粒体DNA。

Ovule development began in August, and rectangle megasporocyte began to occur in December, and linear tetrads of megaspores were formed in meiosis. In most occasions, only the chalazal megaspore was functional.

云南红豆杉胚珠从8月开始发生，大孢子母细胞12月开始发生，呈方形，减数分裂后形成4个&一&字形大孢子，在大多数情况下，只有靠合点端的大孢子发育为功能大孢子。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。