| Term | Definition |
| interphase | normal cell work; cell metabolically active and growing, DNA replicates; chromosomes not visible |
| mitotic phase | parent cell divides into two daughter cells |
| mitosis | nuclear division |
| prophase | necleolus and nuclear membrane disappear; chromatin condenses into chromosomes; centrioles move to opposite poles; spindle fibers form |
| metaphase | chromosomes line up at the metaphasal plate; spindle fibers attach to centromeres of chromatids |
| anaphase | chromatids of chromosomes separate; move to opposite poles |
| telophase | cell reverses prophase activities |
| cytokinesis | cytoplasmic division into two daughter cells |