Cell Division

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Chromatid
One of two identical "sisters" parts of a duplicated chromosome.
Centromere
Area where the chromatids of a chromosome are attached.
Interphase
Period of the cell cycle between cell division.
Cell Cycle
Series of events that cells go through as they grow and divide.
Mitosis
Part of eukaryotic cell division during which the cell nucleus divides.
Prophase
First and longest phase of mitosis, during which the chromosomes become visible and the centrioles seperate and take up positions on the opposite sides of the nucleus.
Centriole
One of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope.
Spindle
Fan like microtubule structure that helps seperate the chromosomes during mitosis.
Metaphase
Second phase of mitosis, during which the chromosomes line up across the center of the cell.
Telophase
Fourth and final phase of mitosis, during which the chromosomes begin to disperse into a tangle of dense material.
Anaphase
Third phase of mitosis, during which the chromosomes pairs seperate and move toward opposite poles.
Cytokinesis
Division of the cytoplasm during cell division.