| 摘要 |
An exemplary embodiment of a reversibly closable bag suitable for the cultivation of cells and/or tissues can be provided. The exemplary bag can comprise at least one reversibly closable aperture in the bag wall, and a surface-increasing convection arrangement inside the bag. The convection arrangement is capable to generate and/or modify a convection in a fluid within said bag when at least one of the fluid, the bag, and the convection arrangement is agitated. For example, the surface increasing convection arrangement can be at least one blade, at least one particulate filler and/or at least one surface-increasing substrate being made of a single mould. A system can also be provided comprising at least two bags, whereas the bags may be interconnected via at least one aperture in their bag wall, and a cultivation process using such a bag or system, in which at least one type of cells, tissue, tissue-like cell cultures, organs, organ-like cell cultures, or multicellular organisms are cultivated in the presence of at least one fluid or solid medium provided for growing and/or cultivating the aforesaid culture.
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