In the first phase, the oogonium has little cytoplasm and bigger nuclear-cytoplasmic ratio.
第1时相,卵原细胞细胞质较少,核质比较大。
In the first phase, the oogonium has little cytoplasm and bigger nuclear-cytoplasmic ratio.
第1时相,卵原细胞细胞质较少,核质比较大。
Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.
花粉母细胞行减数分裂,细胞质分裂属同时型,产生小孢子四分体,为四面体形。
Gliacyte was more sensitive than neuron.A small number of enevloped virions were observed in nucleus and cytoplasm of gliacyte and neuron.
胶质细胞内的核衣壳多于神经元,胶质细胞和神经元的细胞质内和胞外见少量有包膜的完整病毒。
These results indicate that callose metabolism is active and very important not only in microsporogenesis but also in microgametogenesis in rice.
营养细胞的细胞质中继续积累胼胝质,花粉成熟对胼胝质在小孢子形成和发育过程中的功能进行了讨论。
Amino-PVA-SPION alone was detectable in cytoplasmic endosome-like structures after 3 hours of incubation but resulted in early cell death after 24 hours.
经过三个小时的培养后,单个的氨基化PVA-SPION能在细胞质的类内含体结构中被探测,
24小时后却造成了早期细胞的死亡。
Major components of a plasmodesma (PD) include a plasma membrane, a desmotubule, and a cytoplasmic annulus, all of which are readily detectable by electron microscopy.
胞间连丝的主要构成部分细胞质膜、连丝小管、以及位于二者之间的环层细胞质。
The large amount of PAO could be found in the cytoplasm of parenchyma in cotyledon and in the cell membranes and intercellular spaces of cortical parenchyma in phyllogen.
顶芽皮层薄壁组织细胞的细胞膜、细胞间隙和子叶薄壁组织细胞的细胞质也有PAO的大量分布。
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