1. Regression of a specialized cell or tissue to a simpler, more embryonic, unspecialized form. Dedifferentiation may occur before the regeneration of appendages in plants and certain animals and in the development of some cancers. 
   去分化，反分化指高度分化的细胞或组织向更简单，更初期非特化的形式的退化。去分化发生在植物和某些动物的附器的再生之前，或一些癌症出现的时候
2. regeneration of used lubricating oil 
   废润滑油再生
3. of flax, hemp, or jute, so as to promote loosening of the fibers form the woody tissue. 
   使亚麻大麻纤维等木质沙织口中光纤变得松散。
4. A white, crystalline oxidation product, C4H6N4O3, of uric acid that is the metabolic end product of vertebrate purine oxidation and is used medicinally to promote tissue growth. 
   尿模素一种白色晶状尿酸氧化物，c4h6n4o3，该尿酸为脊椎动物嘌呤的代谢终产物，在医药方面用来刺激组织生长
5. artificial tissue and organ 
   人工组织和器官

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