名詞 microtubule:

1. a microscopically small tubule

mi.cro.tu.bule

n.（名詞）
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：任何一種蛋白質(zhì)，圓柱形中空結(jié)構(gòu)，廣泛分布于真核細(xì)胞的細(xì)胞質(zhì)中，提供結(jié)構(gòu)支撐并協(xié)助細(xì)胞運(yùn)動(dòng)及運(yùn)輸

【引伸】
mi.crotu.bular
adj.（形容詞）