Definition of Cytokinesis

Cytokinesis: 1. During cell division, the process that partitions the cellular contents including the chromosomes, cytoplasm, and organelles into the two daughter cells. Cytokinesis occurs just after the segregation of the duplicated genome.
2. In a more limited sense, the partition of a cell's cytoplasm into daughter cells.
See also: Karyokinesis; Mitosis.