An organelle near the nucleus of a cell that contains the centrioles (in animal cells) and from which the spindle fibers develop in cell division.
- A legacy of these ancient symbiotic interactions is that eukaryotic cells continue to show tight links between nuclei, centrosomes and microtubules in the form of Cell Bodies.
- In most animal cells, the centrosome contains a pair of centrioles, which consist of an array of microtubules.
- At metaphase, centrosomes initiate the bipolar microtubule spindle.
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