在生物学中，细胞外基质是细胞产生和释放的一种物质，它能够向周围细胞提供结构和生化支持。

In biology, an extracellular matrix is a substance produced and released by cells that gives structural and biochemical support to surrounding cells.

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这门课程是介绍以应用于组织工程学中设计医疗植体、人工器官和基质为主的材料科学和细胞生物学。

This course is an introduction to principles of materials science and cell biology underlying the design of medical implants, artificial organs, and matrices for tissue engineering.

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目的观察超低温冻存对人骨髓基质干细胞(BMSC)生物学特性的影响。

Objective To study the effects of cryopreservation on biological characters of human bone marrow stromal cell (BMSC).

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