microtubule organizing centres

microtubule organizing centres
(= MTOC)
Rather amorphous region of cytoplasm from which microtubules radiate. The pattern and number of microtubules is determined by the MTOC. The pericentriolar region is the major MTOC in animal cells; the basal body of a cilium is another example. Activity of MTOCs can be regulated, but the mechanism is unclear.

Dictionary of molecular biology. 2004.

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