花粉管

In the zygote and endosperm cells, sperm plastids can also be detected by their features.

杜鹃的成熟花粉是二细胞型，精细胞在花粉管中形成。

About 12 months earlier, the pollen grain germinated, producing a pollen tube that slowly digested its way through the tissues of the nucellus toward the developing megagametophyte.

大约 12 年之前，花粉谷粒发芽，产生慢慢地经过向发展中的 megagametophyte 的 nucellus 的薄的纱织品消化了它的方法的花粉管。

Ten days post meiosis, megaspore gave rise to the one nucleate embryo sac.

花粉粒在授粉后三天发芽长出花粉管。

In first stage,from the beginning of pollination to megaspore tetrad,pollen tubes grow axially,passing through gynostemium to the ovary and from proximal placenta along ovary wall develop upward.

花粉在柱头上萌发和生长后，花粉管沿着花柱一直延伸到子房，进入胚囊释放精细胞，实现精卵结合，这就是亲和受精过程[1]。

In this thesis, using Pinus yunnanensis and Nicotiana tabacum pollen as experimental material, we studied the regulation and control of calcium messenger system in pollen germination and tube growth.

我们以云南松和烟草为材料，试图阐明钙信使系统对花粉萌发和花粉管生长的调控。

Shortly after the pollen grain comes in contact with the nucellus, it germinates to form a pollen tube.

在不久之后，花粉谷粒用 nucellus 进来连络，它发芽形成花粉管。

Extracellular matrix plays a very important role in the course of interaction between pistil and pollen, especially in recognition and guidance of pollen tube.

雌蕊胞外基质对雌蕊与花粉的识别以及花粉管的定向生长有着重要的作用，是近年来植物生殖生物学的研究热点之一。

Pollen germination and tube growth are important events during process of sexual reproduction in higher plants.

花粉萌发和花粉管的生长是高等植物实现有性繁殖的重要保证。

When they were in higher concentrations,they would inhibit pollen germination and tube growth.

萘乙酸对花粉萌发和花粉管生长有抑制作用，抑制程度随培养基内其浓度的增大而加强。

The results showed that there was obvious difference in the damages of the pollen germination and the pollen tube growth led by the radiant factors.

研究结果表明，3种辐照源对黑松花粉粒萌发和花粉管生长所表现出的效应存在明显的差异。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。