采用冷冻干燥和热交联法对脱细胞血管基质进行改性，并进行组织学观察及力学性能测定。
Meanwhile, the mechanics capability of the vessel was measured. The endothelial cells isolated from umbilical cord vein were seeded on the acellular matrix scaffolds by tissue culture in vitro.
因此细胞壁不再是一种环绕植物细胞的惰性结构，比起细胞壁，植物细胞外基质这一名词更能反映出这一动力学的特性。
Therefore, cell wall is no longer an inert structure enclosing cell, but an alternative term "extracellular matrix" is preferable to indicate their dynamic property.
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