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kinetochore

kinetochore A platelike structure by which the microtubules of the spindle attach to the centromere of a chromosome during nuclear division. In higher organisms it consists of protein and RNA arranged in three layers closely apposed to the chromatin. It acts as a motor, pulling the centromere along the attached microtubules towards the spindle pole. This process is thought to involve motor proteins, such as dynein, and disassembly of the microtubule subunits.

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kinetochore

kinetochore A dense, plaque-like area of the centromere region of a chromatid, to which the microtubules of the spindle attach during cell division.

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kinetochore

kinetochore A dense, plaque-like area of the centromere region of a chromatid to which the microtubules of the spindle attach during cell division.

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kinetochore

kinetochore (ky-nee-toh-kor) n. see centromere.

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