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。