单词pollen grain
un.: 花粉粒
网络: 花粉粒萌发；花粉颗粒；纯花粉
花粉粒
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