Cell division allows a single fertilized egg to develop into a living being, our skin to renew itself ... of molecular "pulling ropes"—called the spindle apparatus—aligned next to each ...

Spindle fibers form a protein structure that divides the genetic material in a cell. The spindle is necessary to equally divide the chromosomes in a parental cell into two daughter cells during ...

The breakdown of the nuclear membrane is an essential step for spindle assembly. Because the centrosomes are located outside the nucleus in animal cells, the microtubules of the developing spindle ...