Any of the proteinaceous cylindrical hollow structures that are distributed throughout the cytoplasm of eukaryotic cells, providing structural support and assisting in cellular locomotion and transport.

• 微管:任何一种蛋白质,圆柱形中空结构,广泛分布于真核细胞的细胞质中,提供结构支撑并协助细胞运动及运输。