顶端分生组织

扫描电镜和石蜡切片观察发现，CAPC转基因系花序茎顶端分生组织（SAM）与同时期cpd突变体和野生型相比面积增大，顶端隆起，细胞总数增多，发育加快。

Scanning electron microscope and paraffin section observation showed that the shoot apical meristem ( SAM ) of the CAPC lines enlarged and projected with increased cell number . 4 .

PLA1在发育中的叶原基、花序苞叶和伸长的节间表达，但在地上部顶端分生组织不表达。

PLA1 is expressed in developing leaf primordia , bracts of the panicle , and elongating internodes , but not in the shoot apical meristem .

实验证实，西葫芦185品系植株衰老进程的发生与顶端分生组织和叶肉细胞中发生PCD密切相关。

These results indicate that the initiation of senescence process in pumpkin stain 185 plants is closely related to the death of cells in apical meristem and mesophyll .

在开花这一过程中，植物顶端分生组织从细胞内部的代谢途径到外部表型都会发生一系列程序化的变化，而MADS-box等基因在其中担当着重要的作用。

Plant apical meristem is changing from the endogenous metabolic pathways to external phenotype of this transition . And the MADS-box genes have important roles in it .

CLAVATA介导的信号传导通路控制拟南芥地上部顶端分生组织的干细胞属性。

CLAVATA signaling restricts stem cell identity in the shoot apical meristem ( SAM ) in Arabidopsis thaliana .

笋芽的各部分结构均来自于顶端分生组织。

All various parts of the shoot bud structures were from the apical meristem .

低温对烟草叶片中蔗糖向顶端分生组织转运的影响

Effect of Low Temperature on Sucrose Transportation from Leaves to Apical Meristem in Tobacco

水稻幼穗形态发生与顶端分生组织的研究

Studies on morphogenesis and shoot apical meristem ( SAM ) of rudimentary panicle in rice

乳突组织是由心皮边缘和顶端分生组织的表皮细胞及表皮下的几层细胞分裂发育而来的。

The papilla tissue is from the cells of epidermis of apex and the edges of carpel .

甘蔗茎尖初生增粗分生组织与顶端分生组织细胞分裂研究

Studies on the cell division of primary thickening meristem and apical meristem of the shoot apex in sugarcane

甘薯茎尖分生组织培养拟南芥茎顶端分生组织相关突变体的表型与结构分析

Tip Meristem Culture of Sweet Potatoes Phenotypical and Structural Characterization of the Arabidopsis Mutant Involved in Shoot Apical Meristem

通过观察茎尖顶端分生组织在超低温保存过程中的细胞超微结构，研究茎尖组织细胞结构的响应，为进一步开展超低温保存机理研究提供基础。

The ultrastructures of meristem cells during cryopreservation were observed and studied for further survey of mechanisms of cryopreservation .

它还与钙的吸收，顶端分生组织发育和花粉萌发有关。

It is implicated in the uptake of calcium , the development of apical meristems , and pollen germination .

该名词也用于指随后进一步发育的顶端分生组织。

The term is used particularly in relation to a part of the apical meristem that later differentiates further .

形态结构类叶升麻根尖由根冠和顶端分生组织构成；

Anatomical Structures of ActaeaRoot : root tip is consisted of initial cells of calyptrogen , periblem and plerome ;

它们位于根和茎的生长点组织（顶端分生组织）中。

They are located in tissues ( the apical meristems ) at the growing points of roots and stems .

原球茎是由顶端分生组织后面的薄壁细胞脱分化形成胚性细胞经球状胚发育而来。

And the protocorms developed from the embryonic globular embryos formed by the parenchyma cells behind apical meristem through dedifferentiation .

植物顶端分生组织中干细胞数量的维持对于侧生器官的发生至关重要。

Maintenance of stem cell number in shoot apical meristem ( SAM ) is essential for the generation of later organs .

植物根中各组织的形成和生长均由根顶端分生组织的细胞增殖、分化而来。

In plants , the formation and growth of all root organizations are derived from cell proliferation and differentiation of root meristem .

高等植物的成花可分为两个阶段：由茎顶端分生组织转变成花分生组织和花器官的形成。

Plant flower can be divided into two phases & from stem apex meristem tissue into flower meristem tissue and floral apparatus .

另外，氮肥施用导致草莓果实数目减少，这可能是花期氮肥施用减少了叶片输送往茎顶端分生组织的蔗糖总量造成的。

Meanwhile , nitrogen application reduced fruit number by reducing the increasing export of sucrose towards the shoot apical meristem at floral transition .

or纯合突变体顶端分生组织质体分裂发育受到影响，细胞中仅存在一到两个较大的有色体，但叶片质体发育正常。

Plastid division is affected in the shoot apical meristem of or homozygous mutant , and only one or two large plastids were observed in a cell . Plastid development in leaves is normal .

树木不同部分的发育顺序、顶端分生组织的活动方式、树木的延长生长与分枝方式等是热带树木构筑型的主要分类要素。

Main classification elements for architecture of tropical trees include the following : developmental sequence of different parts of the trees , manners of meristem activity , manners of extension growth , and patterns of branching , etc.

胚细胞随着层积时间的延长不断分裂，顶端分生组织逐渐分化，胚体积增大，由乳白色转为淡绿色，逐渐发育成熟。

Embryonic cell and apical meristems continue to divide as the time of stratification prolongs , so the embryo increases in volume and turns from ivory-white to viridescence , which are the signs of gradually maturing seed .

侧生器官起源于顶端分生组织，侧生器官与顶端分生组织之间的关系，决定了它们的3个极性轴：基-顶轴、中侧轴和近-远轴。

Lateral organs are formed from the shoot apical meristem and the relationship between the lateral organs and the apical meristem is basis for the definition of three primordial axes : the proximal-distal , the left-right and the adaxial-abaxial axis .

FLO/LFY是花发育的关键调节基因之一，在成花诱导中发挥重要作用，不仅改变茎顶端分生组织的分化命运，还参与花器官特异基因的激活过程。

FLO / LFY is a key regulator of floral development , playing an important role in changing the differentiation fate of shoot apical meristems after flowering induction . Besides , FLO / LFY can activate floral organ identity gene .

在植物的营养生长阶段，叶原基从植物地上部分顶端分生组织的周边区形成，在一系列细胞分裂和分化程序的指导下，最终发育成叶。

In the plant vegetative growth , leaf primordia arise from groups of initial cells within the peripheral zone of the shoot apical meristem . Leaf develops by following a series of cell division and differentiation programs to form its final shape and size .

片状体顶端出现的分生组织发育为心脏形的原叶体，发育为槲蕨型（Nayar，1971）；

The prothallial development is of the Drynaria type ( Nayar , 1971 ) . The adult prothallus is cordate and hairy . The hairs are complex and varied .

根状茎顶端的原分生组织由3～5个鳞片包被。

The primordial meristem at the tip of rhizome is surrounded by 3-5 lepises .

而生殖顶端只由一般分生组织和基本组织构成。原形成层在顶端分生组织之下叶原基起源的地方发生。

The procambium continuously develop to the apex after it arises from the place where the leaf primordia originates from below the apical meristem .