from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. In cell biology, a pair of centrioles arranged perpendicularly, located near the nucleus. It is present in all eukaryotic cells except for higher plants. It plays an important role in mitosis.

from The Century Dictionary and Cyclopedia

  • n. In cytology, a double centrosome, or one that has divided into two daughter-centrosomes which have not yet moved apart to form the poles of a karyokinetic spindle.


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