| procentriole | <cell biology> The forming centriole composed of microtubules. Multiple procentrioles are present in some cells as a structure called the blepharoplast. (18 Nov 1997) |
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| procentriole organiser | Dense spherical fibrous granules that occur in the centrosphere and act in the development of centrioles or basal bodies. Synonym: procentriole organiser. (05 Mar 2000) |