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Medical Term:


Pronunciation: ak′sō-nēm


  1. The central thread running in the axis of the chromosome.
  2. The distinctive array of microtubules in the core of eukaryotic cilia and flagella comprising a central pair surrounded by a sheaf of nine doublet microtubules.

Synonym(s): axial filament

[axo- + G. nēma, a thread]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.