Attempts to grow replacement bone by placing stem cells in a culture chamber of the desired shape have not been very successful, with the cells often dying or producing only weak bone.
以前通过将干细胞置于特定性状的培养腔内，以培育出再造骨骼的尝试并不太成功，细胞往往会死亡，或者仅培育出很脆弱的骨骼。
They then injected the bone marrow stem cells into the animals' corneas. After just one week, the abnormal corneas began to change shape and heal.
接着它们将骨髓干细胞注入小鼠眼角膜。仅仅一周后，异常眼角膜就开始改变形状，并且开始痊愈。
This species shows great variability in stem branching, leaf shape, leaf margin , and peduncle length.
本种在茎的分枝，叶形，叶缘，和花序梗长度方面显示了巨大变化性。
The stem biomass of Pinus in the pure forest was of pyramid shape and the deadwood biomass accounted for 1.75%, but 4.20% in the mixed forest.
纯林中马尾松的干生物量基本上为金字塔形，枯枝生物量所占比例为1.75%，而混交林中为4.20%。
In order to enhance the service hfe of hollow steel for rock drill stem, the odd number side section shape hollow steel has been designed.
为了提高凿岩钎杆用中空钢的使用寿命，设计了奇数边截面形状的中空钢。
Of a leaf shape; round with the stem attached near the center of the lower surface rather than the margin as a nasturtium leaf e. g...
一种叶子形状；圆形，其茎依附在较低表面的中心附近而非边缘，比如旱金莲花叶等等。
Results: the shape of the mesenchyma stem cells change after the inducement of TPCD and a part of them even have the axon.
结果经菟丝子总多糖诱导的骨髓间充质干细胞形态发生改变，部分细胞长出轴突。
The growth, proliferation, differentiation and the shape of the embryonic stem cells were influenced by many factors such as microenvironment, mechanical stress and so on.
胚胎干细胞的生长、增殖、分化和形状改变等过程受微环境、机械力等多种因素的影响。
The growth, proliferation, differentiation and the shape of the embryonic stem cells were influenced by many factors such as microenvironment, mechanical stress and so on.
胚胎干细胞的生长、增殖、分化和形状改变等过程受微环境、机械力等多种因素的影响。
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