| Term | Definition |
| chromatid | one of the two sister parts of a duplicated chromosome |
| centromere | the area that each pair of chromatids is attached too |
| interphase | pieord of time between cell divison |
| cell cycle | a series of events taht cells go through as they grow and divide. |
| mitosis | the division of the cell nucleus |
| prophase | is the first and the longest process of mitosis |
| centriole | a tiny structure located in teh cytoplasm near teh nuclear envelope that seperates and takes up the position on opposite sides of the nucleus |
| spindle | a fan like microtuble structure that helps seperate the chromosomes |
| metaphase | when chromosomes line up across the center of the cell |
| anaphase | third phase of mitosis in which the chromosome seperate and move to opposite sides of the cell |
| telophase | when chromosomes begin to disperse into a tangle of dense material |
| cytokinesis | the division of cytoplasm itself occurs at teh same time as telophase |