Microtubules extending from each chromatid to opposite poles of the cell during mitosis. Spindle fibers separate the chromatids into daughter cells.
An aggregate of microtubules that move chromosomes during cell division.
a collection of microtubules responsible for the movement of eukaryotic chromosomes during mitosis and meiosis
A collection of microtubules attached to a centromere during mitosis and meiosis that are responsible for the movement of the chromosomes to opposite poles.