- 拼写相近单词
- proembryo
- proembryonic
- 更多网络例句与proembryos相关的网络例句 [注:此内容来源于网络,仅供参考]
-
When the embryonic original cell divided to form multicellur proembryos, the cell wall of the external cell was thickened to form a clear cell boundary to separate from ambient cells that was a phenomenon of isolation The protoderm began to be differentiated in the period of globular embryoid, and the procambium differentiated clearly in period of torpedo embryoid.
正常的球形胚和某些畸形球形胚继续发育,在心形胚或鱼雷胚阶段又出现出畸形胚,可以分为:①无茎端生长点;②原形成层发育不正常;③外形畸形,如有的是连胚,有的呈指状,有的呈叶片状等等。畸形胚有的败育,有的能继续发育,在子叶胚阶段形成畸形的植株。
-
The microscopical observation showed that embryonal suspensor masses developed firstly into early stage proembryos,then into late stage proembryos.
显微观察表明,来自原生质体的胚性胚柄细胞团(ESM:embryogenic suspensor mass),经早期原胚(ESP:early stage proembryos)阶段形成了后期原胚(LSP:late stage proembryos)。
-
The embryogenic cell first divided into multicellular proembryos,then globular embryoid,pearshaped embryoid,long embryoid,scutiform embryoid and mature embryoid.
胚性细胞继续分裂形成多细胞原胚,经球形胚、梨形胚、长形胚、子叶分化期到成熟胚,其发生的胚状体与单子叶合子胚形成具有相似的过程。
-
Many forest tree species have multiple archegonia which, after fertilization produce a number of proembryos
许多林木树种都有颈卵器,受精以后便产生许多原胚。
-
Many forest tree species have multiple archegonia which, after fertilization produce a number of proembryos
许多林木树种都有颈卵器,受精以后便产生许多原胚。在传粉与受精的间隔期间,他们毁坏了雌球花。
- 加载更多网络例句 (8)
- 更多网络解释与proembryos相关的网络解释 [注:此内容来源于网络,仅供参考]
-
anther culture:花药培养
花藥培養(anther culture)是一種較新的方法,成熟的花藥放在含有維他命與生長調節劑的介質中培養. 在花粉粒中的單倍體管細胞進行分裂,產生含有20至40個細胞的原胚體(proembryos,又稱前胚或潛胚). 最終花粉粒漲破,釋放出單倍體的胚,試驗室中可以產生單倍體植物或透過化學藥劑的添加可誘...