The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单核期的孢子出现壁发育不良和巨大及空花粉现象。

The exine is composed of tectum, columellae, foot layer and endexine.

花粉外壁由顶盖、柱状、及外壁内所组成。

The pollen of the weed is the main sensibiligen of hay fever in human.

豚草花粉是人类枯草热症的主要致敏源。

Hay fever sufferers have a worse time when the pollen count is high.

花粉计数高时，枯草热患者的日子就更不好过了。

Hummingbirds have discovered that nectar and pollen are very nutritious.

蜂鸟发现花蜜和花粉是很有营养的。

He developed an allergy to pollen.

他对花粉过敏。

Nectar and pollen are very nutritious.

花蜜和花粉是很有营养的。

Pollen morphology of Plumbaginaceae in China.

中国白花丹科花粉形态研究.

Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.

维管物花粉囊内包围孢子母细胞的富含营养物质的一结构。

A mass of waxy pollen grains transported as a unit in many members of the Orchidaceae and Asclepiadaceae.

花粉块 Pollinium (pl. pollinia) 在许多兰科和萝藦科物中，作为传粉单位的蜡质花粉粒团。

The outer wall (extine) of the pollen grain is often diagnostic (see pollen) and very resistant to decay.

花粉粒外壁（花粉壁）通常为特异性的并很难腐烂。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细胞行减数分裂，细胞质分裂属同时型，孢子四分体，为四面体形。

The pollen morphology of 10 species of Scorzonera genus in the Mongolian Plateau was observed by scanning electronic microscope.

用扫描电子显微镜观察了蒙古高原鸦葱属物10个种的花粉形态。

(2) The pantoporate pollen of P. merrilliana shows that the species has vital taxonomical and evolutionary significance in Primula.

(2) 安徽羽叶报春的散孔型花粉显示其在报春花属中有重要的系统意义和进化意义。

Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

在被子物花粉管中的殖细胞（应为雄原核译者注）分裂成两个配子的核。

The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.

其异极3沟或6沟型花粉与真双子叶物的3沟花粉的相似是趋同演化的结果。

These results indicate that callose metabolism is active and very important not only in microsporogenesis but also in microgametogenesis in rice.

营养细胞的细胞质中继续积累胼胝质，花粉成熟对胼胝质在孢子形成和发育过程中的功能进行了讨论。

But fed with oakery pollen,indices as above were 9. 59 days, 37. 17 days, 3. 89 days,and 0. 86 per day,respectively.

而用青杠花粉饲养，其发育历期长达9．59天，雌雄成螨寿命缩短为37．17天和3．87天，日平均卵量仅0．86粒。

It indicated that the frequency of formation of the true pollen-derived plantletsw ere significantly low in the anther culture of B. napes.

这些结果说明在油菜的花药培养中可能有一少数花粉株的形成。

As a result, this paper presents the 3D reconstruction segmentation display, and analysis results of pollen spore, chaperonin, head, cervical vertabra, tibia and carpale.

实现了花粉孢子、分子伴侣、以及头颅、颈椎、胫骨、腕骨的三维重建分析测量与分割。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单核期的小孢子出现发育不良和巨大及空花粉现象。

The exine is composed of tectum, columellae, foot layer and endexine.

花粉外盖层、柱状层、底层及外内层所组成。

The pollen of the weed is the main sensibiligen of hay fever in human.

豚草花粉是人类枯草热症的主要致敏源。

Hay fever sufferers have a worse time when the pollen count is high.

花粉计数高时，枯草热患者的日子就更不好过了。

Hummingbirds have discovered that nectar and pollen are very nutritious.

蜂鸟发现花蜜和花粉是很有营养的。

He developed an allergy to pollen.

他对花粉过敏。

Nectar and pollen are very nutritious.

花蜜和花粉是很有营养的。

Pollen morphology of Plumbaginaceae in China.

中国白花丹科花粉形态研究.

Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.

维管物花粉囊内包围孢子母细胞的富含营养物质的一层结构。

A mass of waxy pollen grains transported as a unit in many members of the Orchidaceae and Asclepiadaceae.

花粉块 Pollinium (pl. pollinia) 在许多兰科和萝藦科物中，作传粉单位的蜡质花粉粒团。

The outer wall (extine) of the pollen grain is often diagnostic (see pollen) and very resistant to decay.

花粉粒外（花粉）通常特异性的并很难腐烂。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细胞行减数分裂，细胞质分裂属同时型，产生小孢子分，面形。

The pollen morphology of 10 species of Scorzonera genus in the Mongolian Plateau was observed by scanning electronic microscope.

用扫描电子显微镜观察了蒙古高原鸦葱属物10个种的花粉形态。

(2) The pantoporate pollen of P. merrilliana shows that the species has vital taxonomical and evolutionary significance in Primula.

(2) 安徽羽叶报春的散孔型花粉显示其在报春花属中有重要的系统意义和进化意义。

Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

在被子物花粉管中的生殖细胞（应雄原核译者注）分裂成两个配子的核。

The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.

其异极3沟或6沟型花粉与真双子叶物的3沟花粉的相似是趋同演化的结果。

These results indicate that callose metabolism is active and very important not only in microsporogenesis but also in microgametogenesis in rice.

营养细胞的细胞质中继续积累胼胝质，花粉成熟对胼胝质在小孢子形成和发育过程中的功能进行了讨论。

But fed with oakery pollen,indices as above were 9. 59 days, 37. 17 days, 3. 89 days,and 0. 86 per day,respectively.

而用青杠花粉饲养，其发育历期长达9．59天，雌雄成螨寿命缩短37．17天和3．87天，日平均产卵量仅0．86粒。

It indicated that the frequency of formation of the true pollen-derived plantletsw ere significantly low in the anther culture of B. napes.

这些结果说明在油菜的花药培养中可能有一少数花粉株的形成。

As a result, this paper presents the 3D reconstruction segmentation display, and analysis results of pollen spore, chaperonin, head, cervical vertabra, tibia and carpale.

实现了花粉孢子、分子伴侣、以及头颅、颈椎、胫骨、腕骨的三维重建分析测量与分割。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单核期的小孢子出现壁发育不良和巨大及空现象。

The exine is composed of tectum, columellae, foot layer and endexine.

外壁由顶盖层、柱状层、底层及外壁内层所组成。

The pollen of the weed is the main sensibiligen of hay fever in human.

豚草人类枯草热症的主要致敏源。

Hay fever sufferers have a worse time when the pollen count is high.

计数高时，枯草热患者的日子就更不好过了。

Hummingbirds have discovered that nectar and pollen are very nutritious.

蜂鸟发现蜜和很有营养的。

He developed an allergy to pollen.

他对过敏。

Nectar and pollen are very nutritious.

蜜和很有营养的。

Pollen morphology of Plumbaginaceae in China.

国白丹科形态研究.

Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.

维管囊内包围孢子母细胞的富含营养质的一层结构。

A mass of waxy pollen grains transported as a unit in many members of the Orchidaceae and Asclepiadaceae.

块 Pollinium (pl. pollinia) 在许多兰科和萝藦科，作为传单位的蜡质粒团。

The outer wall (extine) of the pollen grain is often diagnostic (see pollen) and very resistant to decay.

粒外壁（壁）通常为特异性的并很难腐烂。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

母细胞行减数分裂，细胞质分裂属同时型，产生小孢子四分体，为四面体形。

The pollen morphology of 10 species of Scorzonera genus in the Mongolian Plateau was observed by scanning electronic microscope.

用扫描电子显微镜观察了蒙古高原鸦葱属10个种的形态。

(2) The pantoporate pollen of P. merrilliana shows that the species has vital taxonomical and evolutionary significance in Primula.

(2) 安徽羽叶报春的散孔型显示其在报春属有重要的系统意义和进化意义。

Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

在被子管的生殖细胞（应为雄原核译者注）分裂成两个配子的核。

The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.

其异极3沟或6沟型与真双子叶的3沟的相似趋同演化的结果。

These results indicate that callose metabolism is active and very important not only in microsporogenesis but also in microgametogenesis in rice.

营养细胞的细胞质继续积累胼胝质，成熟对胼胝质在小孢子形成和发育过程的功能进行了讨论。

But fed with oakery pollen,indices as above were 9. 59 days, 37. 17 days, 3. 89 days,and 0. 86 per day,respectively.

而用青杠饲养，其发育历期长达9．59天，雌雄成螨寿命缩短为37．17天和3．87天，日平均产卵量仅0．86粒。

It indicated that the frequency of formation of the true pollen-derived plantletsw ere significantly low in the anther culture of B. napes.

这些结果说明在油菜的药培养可能有一少数株的形成。

As a result, this paper presents the 3D reconstruction segmentation display, and analysis results of pollen spore, chaperonin, head, cervical vertabra, tibia and carpale.

实现了孢子、分子伴侣、以及头颅、颈椎、胫骨、腕骨的三维重建分析测量与分割。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单核期的小孢子出现壁发育不良和巨大及空现象。

The exine is composed of tectum, columellae, foot layer and endexine.

外壁由顶盖层、柱状层、底层及外壁内层所组成。

The pollen of the weed is the main sensibiligen of hay fever in human.

豚草是人类枯草热症的主要致源。

Hay fever sufferers have a worse time when the pollen count is high.

计数高时，枯草热患者的日子就更不好过了。

Hummingbirds have discovered that nectar and pollen are very nutritious.

蜂鸟发现和是很有营养的。

He developed an allergy to pollen.

他对过。

Nectar and pollen are very nutritious.

和是很有营养的。

Pollen morphology of Plumbaginaceae in China.

中国白丹科形态研究.

Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.

维管物囊内包围孢子母细胞的富含营养物质的一层结。

A mass of waxy pollen grains transported as a unit in many members of the Orchidaceae and Asclepiadaceae.

块 Pollinium (pl. pollinia) 在许多兰科和萝藦科物中，作为传单位的蜡质粒团。

The outer wall (extine) of the pollen grain is often diagnostic (see pollen) and very resistant to decay.

粒外壁（壁）通常为特异性的并很难腐烂。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

母细胞行减数分裂，细胞质分裂属同时型，产生小孢子四分体，为四面体形。

The pollen morphology of 10 species of Scorzonera genus in the Mongolian Plateau was observed by scanning electronic microscope.

用扫描电子显微镜观察了蒙古高原鸦葱属物10个种的形态。

(2) The pantoporate pollen of P. merrilliana shows that the species has vital taxonomical and evolutionary significance in Primula.

(2) 安徽羽叶报春的散孔型显示其在报春属中有重要的系统意义和进化意义。

Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

在被子物管中的生殖细胞（应为雄原核译者注）分裂成两个配子的核。

The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.

其异极3沟或6沟型与真双子叶物的3沟的相似是趋同演化的结果。

These results indicate that callose metabolism is active and very important not only in microsporogenesis but also in microgametogenesis in rice.

营养细胞的细胞质中继续积累胼胝质，成熟对胼胝质在小孢子形成和发育过程中的功能进行了讨论。

But fed with oakery pollen,indices as above were 9. 59 days, 37. 17 days, 3. 89 days,and 0. 86 per day,respectively.

而用青杠饲养，其发育历期长达9．59天，雌雄成螨寿命缩短为37．17天和3．87天，日平均产卵量仅0．86粒。

It indicated that the frequency of formation of the true pollen-derived plantletsw ere significantly low in the anther culture of B. napes.

这些结果说明在油菜的药培养中可能有一少数株的形成。

As a result, this paper presents the 3D reconstruction segmentation display, and analysis results of pollen spore, chaperonin, head, cervical vertabra, tibia and carpale.

实现了孢子、分子伴侣、以及头颅、颈椎、胫骨、腕骨的三维重建分析测量与分割。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单核期的小孢子出现壁发育不良和巨大及空花现象。

The exine is composed of tectum, columellae, foot layer and endexine.

花外壁由顶盖层、柱状层、底层及外壁内层所组成。

The pollen of the weed is the main sensibiligen of hay fever in human.

豚草花是人类枯草热症的主要致源。

Hay fever sufferers have a worse time when the pollen count is high.

花计数高时，枯草热患者的日子就更不好了。

Hummingbirds have discovered that nectar and pollen are very nutritious.

蜂鸟发现花蜜和花是很有营养的。

He developed an allergy to pollen.

他对花。

Nectar and pollen are very nutritious.

花蜜和花是很有营养的。

Pollen morphology of Plumbaginaceae in China.

中国白花丹科花形态研究.

Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.

维管物花囊内包围孢子母细胞的富含营养物质的一层结构。

A mass of waxy pollen grains transported as a unit in many members of the Orchidaceae and Asclepiadaceae.

花 Pollinium (pl. pollinia) 许多兰科和萝藦科物中，作为传单位的蜡质花粒团。

The outer wall (extine) of the pollen grain is often diagnostic (see pollen) and very resistant to decay.

花粒外壁（花壁）通常为特异性的并很难腐烂。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花母细胞行减数分裂，细胞质分裂属同时型，产生小孢子四分体，为四面体形。

The pollen morphology of 10 species of Scorzonera genus in the Mongolian Plateau was observed by scanning electronic microscope.

用扫描电子显微镜观察了蒙古高原鸦葱属物10个种的花形态。

(2) The pantoporate pollen of P. merrilliana shows that the species has vital taxonomical and evolutionary significance in Primula.

(2) 安徽羽叶报春的散孔型花显示其报春花属中有重要的系统意义和进化意义。

Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

被子物花管中的生殖细胞（应为雄原核译者注）分裂成两个配子的核。

The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.

其异极3沟或6沟型花与真双子叶物的3沟花的相似是趋同演化的结果。

These results indicate that callose metabolism is active and very important not only in microsporogenesis but also in microgametogenesis in rice.

营养细胞的细胞质中继续积累胼胝质，花成熟对胼胝质小孢子形成和发育程中的功能进行了讨论。

But fed with oakery pollen,indices as above were 9. 59 days, 37. 17 days, 3. 89 days,and 0. 86 per day,respectively.

而用青杠花饲养，其发育历期长达9．59天，雌雄成螨寿命缩短为37．17天和3．87天，日平均产卵量仅0．86粒。

It indicated that the frequency of formation of the true pollen-derived plantletsw ere significantly low in the anther culture of B. napes.

这些结果说明油菜的花药培养中可能有一少数花株的形成。

As a result, this paper presents the 3D reconstruction segmentation display, and analysis results of pollen spore, chaperonin, head, cervical vertabra, tibia and carpale.

实现了花孢子、分子伴侣、以及头颅、颈椎、胫骨、腕骨的三维重建分析测量与分割。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单核期的小孢子出现发育不良和巨大及空花粉现象。

The exine is composed of tectum, columellae, foot layer and endexine.

花粉由顶盖层、柱状层、底层及层所组成。

The pollen of the weed is the main sensibiligen of hay fever in human.

豚草花粉是人类枯草热症的主要致敏源。

Hay fever sufferers have a worse time when the pollen count is high.

花粉计数高，枯草热患者的日子就更不好过了。

Hummingbirds have discovered that nectar and pollen are very nutritious.

蜂鸟发现花蜜和花粉是很有营养的。

He developed an allergy to pollen.

他对花粉过敏。

Nectar and pollen are very nutritious.

花蜜和花粉是很有营养的。

Pollen morphology of Plumbaginaceae in China.

中国白花丹科花粉形态研究.

Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.

维管物花粉囊包围孢子母细胞的富含营养物质的一层结构。

A mass of waxy pollen grains transported as a unit in many members of the Orchidaceae and Asclepiadaceae.

花粉块 Pollinium (pl. pollinia) 在许多兰科和萝藦科物中，作为传粉单位的蜡质花粉粒团。

The outer wall (extine) of the pollen grain is often diagnostic (see pollen) and very resistant to decay.

花粉粒（花粉）通常为特异性的并很难腐烂。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细胞行减数分裂，细胞质分裂型，产生小孢子四分体，为四面体形。

The pollen morphology of 10 species of Scorzonera genus in the Mongolian Plateau was observed by scanning electronic microscope.

用扫描电子显微镜观察了蒙古高原鸦葱物10个种的花粉形态。

(2) The pantoporate pollen of P. merrilliana shows that the species has vital taxonomical and evolutionary significance in Primula.

(2) 安徽羽叶报春的散孔型花粉显示其在报春花中有重要的系统意义和进化意义。

Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

在被子物花粉管中的生殖细胞（应为雄原核译者注）分裂成两个配子的核。

The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.

其异极3沟或6沟型花粉与真双子叶物的3沟花粉的相似是趋演化的结果。

These results indicate that callose metabolism is active and very important not only in microsporogenesis but also in microgametogenesis in rice.

营养细胞的细胞质中继续积累胼胝质，花粉成熟对胼胝质在小孢子形成和发育过程中的功能进行了讨论。

But fed with oakery pollen,indices as above were 9. 59 days, 37. 17 days, 3. 89 days,and 0. 86 per day,respectively.

而用青杠花粉饲养，其发育历期长达9．59天，雌雄成螨寿命缩短为37．17天和3．87天，日平均产卵量仅0．86粒。

It indicated that the frequency of formation of the true pollen-derived plantletsw ere significantly low in the anther culture of B. napes.

这些结果说明在油菜的花药培养中可能有一少数花粉株的形成。

As a result, this paper presents the 3D reconstruction segmentation display, and analysis results of pollen spore, chaperonin, head, cervical vertabra, tibia and carpale.

实现了花粉孢子、分子伴侣、以及头颅、颈椎、胫骨、腕骨的三维重建分析测量与分割。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单核期的小孢子出壁发育不良和巨大及空粉。

The exine is composed of tectum, columellae, foot layer and endexine.

粉外壁由顶盖层、柱状层、底层及外壁内层所组成。

The pollen of the weed is the main sensibiligen of hay fever in human.

豚草粉是人类枯草热症的主要致敏源。

Hay fever sufferers have a worse time when the pollen count is high.

粉计数高时，枯草热患者的日子就更不好过了。

Hummingbirds have discovered that nectar and pollen are very nutritious.

蜂鸟发蜜和粉是很有营养的。

He developed an allergy to pollen.

他对粉过敏。

Nectar and pollen are very nutritious.

蜜和粉是很有营养的。

Pollen morphology of Plumbaginaceae in China.

中国白丹科粉态研究.

Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.

维管物粉囊内包围孢子母细胞的富含营养物质的一层结构。

A mass of waxy pollen grains transported as a unit in many members of the Orchidaceae and Asclepiadaceae.

粉块 Pollinium (pl. pollinia) 在许多兰科和萝藦科物中，作为传粉单位的蜡质粉粒团。

The outer wall (extine) of the pollen grain is often diagnostic (see pollen) and very resistant to decay.

粉粒外壁（粉壁）通常为特异性的并很难腐烂。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

粉母细胞行减数分裂，细胞质分裂属同时型，产生小孢子四分体，为四面体。

The pollen morphology of 10 species of Scorzonera genus in the Mongolian Plateau was observed by scanning electronic microscope.

描电子显微镜观察了蒙古高原鸦葱属物10个种的粉态。

(2) The pantoporate pollen of P. merrilliana shows that the species has vital taxonomical and evolutionary significance in Primula.

(2) 安徽羽叶报春的散孔型粉显示其在报春属中有重要的系统意义和进化意义。

Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

在被子物粉管中的生殖细胞（应为雄原核译者注）分裂成两个配子的核。

The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.

其异极3沟或6沟型粉与真双子叶物的3沟粉的相似是趋同演化的结果。

These results indicate that callose metabolism is active and very important not only in microsporogenesis but also in microgametogenesis in rice.

营养细胞的细胞质中继续积累胼胝质，粉成熟对胼胝质在小孢子成和发育过程中的功能进行了讨论。

But fed with oakery pollen,indices as above were 9. 59 days, 37. 17 days, 3. 89 days,and 0. 86 per day,respectively.

而青杠粉饲养，其发育历期长达9．59天，雌雄成螨寿命缩短为37．17天和3．87天，日平均产卵量仅0．86粒。

It indicated that the frequency of formation of the true pollen-derived plantletsw ere significantly low in the anther culture of B. napes.

这些结果说明在油菜的药培养中可能有一少数粉株的成。

As a result, this paper presents the 3D reconstruction segmentation display, and analysis results of pollen spore, chaperonin, head, cervical vertabra, tibia and carpale.

实了粉孢子、分子伴侣、以及头颅、颈椎、胫骨、腕骨的三维重建分析测量与分割。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单核期的小孢出现壁发育不良和巨花粉现象。

The exine is composed of tectum, columellae, foot layer and endexine.

花粉外壁由顶盖层、柱状层、底层外壁内层所组成。

The pollen of the weed is the main sensibiligen of hay fever in human.

豚草花粉是人类枯草热症的主要致敏源。

Hay fever sufferers have a worse time when the pollen count is high.

花粉计数高时，枯草热患者的日就更不好过了。

Hummingbirds have discovered that nectar and pollen are very nutritious.

蜂鸟发现花蜜和花粉是很有营养的。

He developed an allergy to pollen.

他对花粉过敏。

Nectar and pollen are very nutritious.

花蜜和花粉是很有营养的。

Pollen morphology of Plumbaginaceae in China.

中国白花丹科花粉形态研究.

Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.

维管物花粉囊内包围孢母细胞的富含营养物质的一层结构。

A mass of waxy pollen grains transported as a unit in many members of the Orchidaceae and Asclepiadaceae.

花粉块 Pollinium (pl. pollinia) 在许多兰科和萝藦科物中，作为传粉单位的蜡质花粉粒团。

The outer wall (extine) of the pollen grain is often diagnostic (see pollen) and very resistant to decay.

花粉粒外壁（花粉壁）通常为特异性的并很难腐烂。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细胞行减数分裂，细胞质分裂属同时型，产生小孢四分体，为四面体形。

The pollen morphology of 10 species of Scorzonera genus in the Mongolian Plateau was observed by scanning electronic microscope.

用扫描电镜观察了蒙古高原鸦葱属物10个种的花粉形态。

(2) The pantoporate pollen of P. merrilliana shows that the species has vital taxonomical and evolutionary significance in Primula.

(2) 安徽羽叶报春的散孔型花粉示其在报春花属中有重要的系统意义和进化意义。

Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

在被物花粉管中的生殖细胞（应为雄原核译者注）分裂成两个配的核。

The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.

其异极3沟或6沟型花粉与真双叶物的3沟花粉的相似是趋同演化的结果。

These results indicate that callose metabolism is active and very important not only in microsporogenesis but also in microgametogenesis in rice.

营养细胞的细胞质中继续积累胼胝质，花粉成熟对胼胝质在小孢形成和发育过程中的功能进行了讨论。

But fed with oakery pollen,indices as above were 9. 59 days, 37. 17 days, 3. 89 days,and 0. 86 per day,respectively.

而用青杠花粉饲养，其发育历期长达9．59天，雌雄成螨寿命缩短为37．17天和3．87天，日平均产卵量仅0．86粒。

It indicated that the frequency of formation of the true pollen-derived plantletsw ere significantly low in the anther culture of B. napes.

这些结果说明在油菜的花药培养中可能有一少数花粉株的形成。

As a result, this paper presents the 3D reconstruction segmentation display, and analysis results of pollen spore, chaperonin, head, cervical vertabra, tibia and carpale.

实现了花粉孢、分伴侣、以头颅、颈椎、胫骨、腕骨的三维重建分析测量与分割。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单核期的小孢出现壁发育不良和巨花粉现象。

The exine is composed of tectum, columellae, foot layer and endexine.

花粉外壁由顶盖层、柱状层、底层外壁内层所组成。

The pollen of the weed is the main sensibiligen of hay fever in human.

豚草花粉是人类枯草热症的主要致敏源。

Hay fever sufferers have a worse time when the pollen count is high.

花粉计数高时，枯草热患者的日就更不好过了。

Hummingbirds have discovered that nectar and pollen are very nutritious.

蜂鸟发现花蜜和花粉是很有营养的。

He developed an allergy to pollen.

他对花粉过敏。

Nectar and pollen are very nutritious.

花蜜和花粉是很有营养的。

Pollen morphology of Plumbaginaceae in China.

中国白花丹科花粉形态研究.

Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.

维管物花粉囊内包围孢母细胞的富含营养物质的一层结构。

A mass of waxy pollen grains transported as a unit in many members of the Orchidaceae and Asclepiadaceae.

花粉块 Pollinium (pl. pollinia) 在许多兰科和萝藦科物中，作为传粉单位的蜡质花粉粒团。

The outer wall (extine) of the pollen grain is often diagnostic (see pollen) and very resistant to decay.

花粉粒外壁（花粉壁）通常为特异性的并很难腐烂。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细胞行减数分裂，细胞质分裂属同时型，产生小孢四分体，为四面体形。

The pollen morphology of 10 species of Scorzonera genus in the Mongolian Plateau was observed by scanning electronic microscope.

用扫描电镜观察了蒙古高原鸦葱属物10个种的花粉形态。

(2) The pantoporate pollen of P. merrilliana shows that the species has vital taxonomical and evolutionary significance in Primula.

(2) 安徽羽叶报春的散孔型花粉示其在报春花属中有重要的系统意义和进化意义。

Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

在被物花粉管中的生殖细胞（应为雄原核译者注）分裂成两个配的核。

The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.

其异极3沟或6沟型花粉与真双叶物的3沟花粉的相似是趋同演化的结果。

These results indicate that callose metabolism is active and very important not only in microsporogenesis but also in microgametogenesis in rice.

营养细胞的细胞质中继续积累胼胝质，花粉成熟对胼胝质在小孢形成和发育过程中的功能进行了讨论。

But fed with oakery pollen,indices as above were 9. 59 days, 37. 17 days, 3. 89 days,and 0. 86 per day,respectively.

而用青杠花粉饲养，其发育历期长达9．59天，雌雄成螨寿命缩短为37．17天和3．87天，日平均产卵量仅0．86粒。

It indicated that the frequency of formation of the true pollen-derived plantletsw ere significantly low in the anther culture of B. napes.

这些结果说明在油菜的花药培养中可能有一少数花粉株的形成。

As a result, this paper presents the 3D reconstruction segmentation display, and analysis results of pollen spore, chaperonin, head, cervical vertabra, tibia and carpale.

实现了花粉孢、分伴侣、以头颅、颈椎、胫骨、腕骨的三维重建分析测量与分割。