- 更多网络例句与叶原基相关的网络例句 [注：此内容来源于网络，仅供参考]
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At the reproductive stage, RA68 was expressed in the inflorescence meristem, the tip of rachis branch, spikelet primordia, macrospore sac and pollen grains.
原位杂交分析结果表明：在幼苗期RA68主要在幼芽胚芽鞘的内外层细胞和幼叶原基的表层细胞中表达；转入生殖生长期后，在花序分生组织、枝梗原基顶端、花器官原基、大孢子囊和花粉粒中表达。
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The results indicate that all of the peltate glandular hairs and head glandular hairs are from an origin—protoderm on the leaf primordium and young leaf, which outgrows on leaf surface and increase radial broad and form the initial cells of the glandular hairs.
研究结果表明，唇形科的腺毛不论是盾状腺毛类还是头状腺毛类，在发育上都是单起源的，即所有的腺毛均起源于叶原基或幼叶上的原表皮细胞。该细胞在叶表面向外突出生长，径向加宽，形成腺毛原始细胞。
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The short shoot differentiation came from the lateral buds among the bud scales, in the initial stage, the lateral buds elongating, and then differentiating two "anisomerous"(one was small, the other was big) needle primordia in the elongating courses; the big one differentiating once more, and formed three needle primordia.
短枝的发育来源于长枝上芽鳞间的侧芽，在发育的初期，侧芽进行伸长生长，在伸长生长的过程中首先分化出一大一小&不对称&的两个针叶原基，大的叶原基进一步分化，形成三个针叶原基。
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The results showed that the initiation of leaf and bracteal primordia took the S shape, and that of spikelet and floret took the rise stage of parabolic shape in relation to GDD (growing degree days after sowing) in wheat.
结果表明，小麦叶原基和苞叶原基分化与播后累积生长度日(GDD ，growingdegreedaysaftersowing)的关系呈S形曲线，而小穗原基和小花原基为上升段抛物曲线。
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According to the shape of head, the glandular hairs were divided into capitate and pehate glandular hairs.
根据腺毛头部形状可把腺毛分为盾状腺毛和头状腺毛，二者均发生得很早，它们的原始细胞都来源于原表皮，一般在茎尖第1和第2片叶原基的原表皮细胞以及茎的1～2节间原表皮细胞中开始发生。
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Both of them originated from the protodermal cells and formed four cells through two successive periclinal divisions.
两类表皮毛的原始细胞均起源于叶原基或幼叶的原表皮细胞，经过两次垂周分裂形成四细胞。
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Subsequently,partitioning of cotyledon and shoot primordia in the upper layer of torpedo-stage somatic embryos took place.
随后鱼雷形胚上层分化形成芽原基和两个叶原基。
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The leaf axis arises from the leaf buttress and maintains procambial continuity in the central region.
叶轴也来自叶原基和在中央区保留的原形成层细胞。
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Leaves began to shape from the end of March until September, and the growth of young leaves terminated in November. In February or March of the next year, the leaves shot out of the ground. Finally, they withered in May. In addition, 4 phases exist in the process of leaf shaping (buttress forming, primordium, straplike leaf and sheath). At first, the leaf primordium shapes the zonary leaf, and then the plaits are formed at the bilateral base of the zonary leaf. Finally, the plaits close and form sheaths.
结果发现：中国石蒜的叶片在3月底开始分化，9月分化结束，11月，幼叶生长停止，并於翌年2、3月露出地面，5月即枯萎，完成生活史；叶片的形成经历4个阶段，即叶原座形成时期、叶原基生长时期、带状叶片的形成以及叶鞘的形成时期；叶原基先形成带状叶片，随后在其基部两侧形成褶，进而闭合发育成叶鞘。
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Leaves began to shape from the end of March until September, and the growth of young leaves terminated in November. In February or March of the next year, the leaves shot out of the ground. Finally, they withered in May. In addition, 4 phases exist in the process of leaf shaping (buttress forming, primordium, straplike leaf and sheath).At first, the leaf primordium shapes the zonary leaf, and then the plaits are formed at the bilateral base of the zonary leaf. Finally, the plaits close and form sheaths.
结果发现：中国石蒜的叶片在3月底开始分化， 9月分化结束， 11月，幼叶生长停止，并于翌年2、3月露出地面， 5月即枯萎，完成生活史；叶片的形成经历4个阶段，即叶原座形成时期、叶原基生长时期、带状叶片的形成以及叶鞘的形成时期；叶原基先形成带状叶片，随后在其基部两侧形成褶，进而闭合发育成叶鞘。
- 更多网络解释与叶原基相关的网络解释 [注：此内容来源于网络，仅供参考]
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parastichy：叶原基斜列线
orthostichy 叶原基纵列线 | parastichy 叶原基斜列线 | pericycle 中柱鞘
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plastochron：叶原基间隔期
pith 髓质 | plastochron 叶原基间隔期 | procambium 前形成层
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leaf primordium：叶原基
把任何一种植物的枝芽纵切开,用解剖镜或放大镜观察,可以看到顶端分生组织、叶原基(leaf primordium)、幼叶和腋芽原基(axillary bud primordium). 顶端的分生组织位于枝芽上端,叶原基是近顶端分生组织下面的一些突起,是叶的原始体,
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optic vesicle：视泡
晶状体源于表皮外胚叶,开始形成于胎生第三周,是视泡(optic vesicle)同表皮外胚叶相互诱导作用的结果. 最初,同视泡接触的外胚叶组织(晶状体原基anlage)增厚形成晶状体板(lens plate). 胎生22~23天,晶状体板细胞向后呈泡样突起形成晶状体凹陷(1ens pit);
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choana：内鼻孔
(一)内鼻孔亚纲(Choanichthyes)本亚纲鱼类的口腔内具有内鼻孔(choana);有 原鳍型的偶鳍,即偶鳍有发达的肉质基部,鳍内有分节的基鳍骨支持,外被鳞片,呈肉叶状 或鞭状,故又称肉鳍亚纲(Sarcopterygii).肠内有螺旋瓣.共有 2 总目.
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orthostichy：叶原基纵列线
monocotyledon 单子叶植物(monocot) | orthostichy 叶原基纵列线 | parastichy 叶原基斜列线
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osteosynthesis：接骨术
剪式应力 shear stress | 接骨术 osteosynthesis | 间叶原基 anlagen
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Peltigera：地卷属
如梅衣属(Parmelia)、地卷属(peltigera). (3)枝状地衣. 植物体呈树枝状,直立或悬垂,仅基部附着于基物上. 如松萝属(Usnea),石蕊属(cladonia). 地衣的植物体没有真正的根、茎、叶的分化. 跟藻类一样,也属原植体(叶状体). 从横切面看,
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phyllopodium：叶原基 叶足
phyllopodes叶足 | phyllopodium叶原基 叶足 | Phyllopodus叶足类
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proembryo：原胚
胚在没有出现分化前的阶段,称原胚(proembryo). 由原胚发展为胚的过程,在双子叶植物和单子叶植物间是有差异的. 1.双子叶植物胚的发育 双子叶植物胚的发育,可以荠菜为例说明,合子经短暂休眠后、不均等地横向油裂为基细胞和顶端细胞.