花由茎顶分生组织的少数细胞分化而来。
Flowers are differentiated from a few cells on the stem apical meristem of a plant.
原分生组织具有典型分生组织的细胞特征；
Promeristem possessed the typical cell characteristics of meristem.
苗端的原分生组织由原套、原体和叶原基组成。
The promeristem in the shoot apex consists of tunica, corpus and leaf primordium.
中层区是由增殖能力旺盛的分生组织细胞所构成；
The middle region was composed of meristematic tissue whose cells had high proliferative activity (Plate Ib).
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.
被子植物的花由花分生组织(又称花原基)形成。
In angiosperms, after the floral transition, the inflorescence meristem produces floral meristems (FMs).
根尖的初生分生组织可扩大到伸长区下方一段距离。
The primary meristem of the root tip may be extended a section of distance below the elongation region.
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.
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;
其衍生细胞分化为原表皮、基本分生组织和原形成层。
The differentiation of the cells derived from the primordial meristem formed protoderm, ground meristem and procambium strand.
采用茎尖分生组织培养技术，获得分蘖洋葱无毒试管苗。
Virue free in vitro shoots of Tillered onion were obtained from meristem tip apex tissue culture.
积热也是测定落叶树和果树芽分生组织活动的有效手段。
Heat sum is. a useful measure of the onset of meris. ematic activity buds in deciduous and fruit trees.
这表明存在其它的基因参与穗分枝和花生分生组织的发育。
This indicates that additional gene (s) participate in the development of branch and floral meristems.
原形成层和基本分生组织的细胞比原表皮层细胞更加液泡化。
Cells of the procambium and ground meristem are more vacuolated than those of the protoderm.
采用茎尖分生组织培养技术，获得了川麦冬的脱病毒试管苗。
Virus-free materials of Ophiopogon japonicus were obtained from meristem culture in vitro.
分生组织属性转变的调节是植物生殖生长期发育的关键步骤。
Regulating the transition of meristem identity is a critical step in reproductive development.
顶端分生组织上的侧生突起发育成叶的原基，与原形成层有关。
Leaf buttress a leaf primordium, appearing as a protuberance on the side of the stem apex, produced by periclinal division of the tunica and corpus, and associated with a procambium.
腋芽分生组织的活性决定了植物营养生长期和生殖生长期的株型。
Activity of axillary meristems dictates the architecture of both vegetative and reproductive parts of a plant.
研究结果表明：根状茎顶端的原分生组织由4 ~7个鳞片包被。
The result showed that the primordial meristem at the tip of rhizome was surrounded by 4 ~ 7 bud scale.
至第八对叶原基产生后，茎端分生组织才稍微隆起，细胞数目增多。
At the appearance of the eighth leaf primordia, SAM formed a bulge and had more cells.
次生加厚分生组织起源于正常的散生维管束中柱外侧的薄壁组织细胞。
The secondary thickening meristem originated from the parenchyma cells, which were located the outside of the atactostele.
早期感病树中出现的形成层状分生组织的活动导致晚期病树树皮的变形。
The activities of the cambium-like meristem present in the early affected trees lead to formation of the deformed bark of the trees in the late stage of the disease.
由茎尖分生组织培养成无病毒苗并进行试管保存，是当前既经济又实用的方法。
Meristem tip culture of Sweetpotato can obtain virus-free plantlet. Storing the virus-free plantlet in vitro is economic and applicable at present.
花球是白色光滑的半球状结构，内部是短缩的分枝，表面是大量增生的分生组织。
Cauliflower curd is a white smooth semi-spherical structure, with shortened branches inside and a mass of proliferated meristems outside as surface.
各种开花诱导途径能激活花分生组织特性基因，使茎端分生组织转变为花分生组织。
Distinct inductive pathways can activate the expression of flower meristem identity genes, thus cause the transition from shoot apical meristem to flower meristem.
细胞学观察表明，培养后叶肉细胞明显增大，细胞分裂形成分生组织，由之形成芽原基。
Cytological observations showed that mesophyll cells were greatly enlarged, undergoing repeated cell divisions, then forming meristematic mass, from which buds were initiated.
雄球花序中的不育胚珠和雄球花以及雌球花序中的胚珠均起源于环状总苞基部的分生组织。
The abortive ovules and male flowers in male cone inflorescence and the ovules in female cone inflorescence are originated from an annular meristem which differentiates from the base of each collar.
本文对蚕豆根端分生组织细胞核中类胀泡结构的超微结构变化和细胞化学特点进行了研究。
Studies were carried out on the ultrastructural and cytochemical features of the puff-like structure (PLS) of Vicia faba.
芽的顶端分生组织与随后产生的根的分生组织共同构成胚状结构，与单子叶植物种子胚相似。
Embryo like structure was found being formed from shoot meristem and root meristem and it was similar with radicle and plumule of the embryo.
将海岛棉茎尖分生组织经过3～6周的诱导、继代培养生长后，可以形成足够量的再生植株。
Sufficient plantlets of regeneration were produced within 3~6 weeks induced and culture from apical meristems.
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