顶端细胞
- 名apical cell;tip cell
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菌丝顶端细胞的细胞质中有顶泡复合体(AVC)和顶体。
The apical cells contain large numbers of vesicles ( apical vesicular complex AVC ) and an apical body .
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钙离子在水霉(Saprolegniaferax)菌丝顶端细胞壁中呈极性分布
Polar-distribution of calcium ions in the cell wall of hyphal tips of Saprolegnia ferax
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感觉纤毛穿过由感橛细胞形成的感橛空隙,末端进入一高电子密度的顶端细胞外结构&帽。
The end of cilium goes into the extracellular top structure cap through the scolopale space which is composed of scolopales .
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木贼的整个茎尖可相当于蕨类生长锥中大的顶端细胞。
The entire shoot apex of a horsetail could fit into the large apical cell in the growing tip of a fern .
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第一叶突出帽状体之后,由第一叶基部保留下来的茎干顶端细胞产生第二叶。
The second leaf takes place at the basal part of the first leaf and originates from the shoot apex cells when the first leaf pierces the calyptra .
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培养约6天,两条初生菌丝通过顶端细胞或其他部位融合,发育成具有顶端分生孢子和锁状联合的次生菌丝体;
After being cultivated for about 6 days , two primary mycelia fused through terminal cells or other parts and developed into secondary mycelia with clamp connection and conidiospore .
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当子实体发育之早期菌柄细胞总是变倍的,快速生长期之菌柄中间和顶端细胞的平均数是10.1-10.3。
The number of nuclei in stipe cells almost doubled during early fruiting development and increased to a mean of 10.1-10.3 in the middle and tip cells during rapid stipe elongation .
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孢子首先分裂为2细胞结构,2细胞具有明显的极性,基细胞发育成为假根,顶端细胞不断进行横分裂形成丝状体;
Every spore divided into 2-cell structure after the first division , and this structure had obvious polarity . The base-cell developed into rhizoid , and the top-cell formed protonema by horizontal-division continually .
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胚胎在32细胞阶段后,第一叶顶端细胞与第一根顶端细胞几乎同时发生。当最后一叶掉落时,我一定也会死去。
The apical cell of the first leaf and of the first root originate almost at the same time after the embryo reaches to the 32-celled phase . When the last one falls , I must die , too .
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顶端的细胞,每个栏的选取范围;
The top cell of each column of the selected range ;
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丝状体顶端以下细胞通过纵分裂形成管状叶状体,顶端细胞始终保持横分裂;
Pipelike thallus was formed by vertical-division of the middle protonema cells , and top-cell kept horizontal-division .
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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
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根的顶端原始细胞为圆锥状排列的原始细胞群,未见典型的组织原分区。
The apical initial cells of the root top were arranged in cone shape and no typical histogen zones were found .
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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 .
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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 .
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汞颗粒沉积在细胞内的溶酶体中,汞颗粒通过顶端分泌排出细胞并积聚在触角腺的管腔内。
Mercury granules were found in the lysosome of the cell of antennal gland , and were transited to lumen by apocrine secretion .
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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 .
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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 .
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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 .
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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 .
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花椰菜和青花菜顶端亚外套两侧细胞分裂形成花序分生组织,花序分生组织增生即为花球体;
The bilateral cells of sub-tunica of Chinese cabbage and cabbage divided into apical leafy primordial , in which lateral inflorescence meristem arised .
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胃粘膜形成褶皱,由短的单层纤毛柱状上皮组成,微绒毛不规则、短而稀少,线粒体和粗面内质网较多,主要分布在细胞顶端,核在细胞基部,缺少杯状细胞。
Stomach mucous was formed and lined by a short simple columnar epithelium with irregular sparsely spaced microvilli , many apical mitochondria and rough endoplasmic reticulum .
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它们均组成性地表达于白细胞微绒毛顶端,在白细胞跨内皮迁移过程中最先接触血管内皮。
They are both expressed constitutively on the tips of leukocyte microvilli , and are the first ones to get in touch with the endothelium during leukocyte TEM .
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侧根原基由木质部放射棱顶端中柱鞘细胞发生,根尖及成熟结构与主根相同。
Lateral root primordia are initiated in the pericycle opposite the protoxylem groups . The development and mature structure of lateral root-tip are the same as main root .
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体外培养10d时,视色素弥漫地分布于整个细胞膜及顶端突起;培养20d时视色素逐渐向顶端突起或细胞的一端集中;
At the 10th day after cultivation , the visual pigment immunoreaction was suffusive in the whole cell membrane and apical process ;
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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 .