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Pronunciation: sil'e-um, -a

Definition: A motile extension of a cell surface, of certain epithelial cells, containing nine longitudinal double microtubules arranged in a peripheral ring, together with a central pair.

Synonym(s): eyelash

[L. an eyelid]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.