Cell cycle checkpoints: safe passage through mitosis-- Mitotic changes in the nuclear envelope-- Poles apart? spindle pole bodies and centrosomes differ in ultrastructure yet their function and regulation are conserved-- Microtubule dynamics, molecular motors, and chromosome behavior-- A moveable feast: the centromere-kinetochore complex in cell division-- Telomeres: structure, synthesis, and cell cycle regulation-- Meiosis: chromosome behavior and spindle dynamics-- Inheritance of the cytoplasm during cell division-- Cytokinesis.