pollen grain

pollen grain什么意思,pollen grain翻译

基本解释

un.: 花粉粒
网络: 花粉粒萌发；花粉颗粒；纯花粉

英汉解释

• 花粉粒

例句

• In a sporophytic interaction, the surface of the pollen grain is recognized, normally by the stigma.

  在孢子体相互作用中，通常是由柱头识别花粉粒的表面。

• The probability of any air -borne pollen grain impacting a female strobilus is in any case very small .

  任何在空气中飘浮的花粉粒粘着于雌球花的几率，在任何情况下都是很小的。

• Germination of the pollen grain to give the pollen tube usually takes place only when the pollen is compatible with the stigma tissue.

  只有当花粉与柱头组织相一致时，花粉粒才会萌发，产生花粉管。

• A microscopic fossil, AS of a pollen grain or unicellular organism.

  微体化石一种微小的化石，如花粉粒或单细胞有机体的化石

• These are structurally similar and are expressed on both the stigma surface and the surface of the pollen grain.

  它们的结构相近，并且同时在柱头的表面和花粉粒的表面表达。

• Stamens included size of anther, pollen number ofp er anther, size, shape and viability of pollen grain.

  雄蕊检测包括花药大小，单花药花粉量，花粉粒形状、大小和生活力。

• Active proton pump on the pollen grain membrane drives H+ efflux, hyperpolarize the membrane and triggers signaling transduction.

  花粉细胞质膜上存在质子泵，由其活化导致的H+外流可以影响细胞膜电位，引发一系列信号转导过程。

• In seed plants it is the generative cell in the pollen grain, which divides in the pollen tube to produce two sperm cells.

  在种子植物中，它是在花粉粒中的生殖细胞，可以在花粉管内分裂形成两个精子。

• Anther sac including pollen grain, flowered medicine wall two parts.

  花粉囊包括花粉粒、花药壁二部分。

• The innermost wall of a spore or pollen grain.

  内壁孢子或花粉粒最深处的壁