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Medical Term:


Pronunciation: as′trō-sfēr

Definition: A set of radiating microtubules extending outward from the cytocentrum and centrosphere of a dividing cell.

Synonym(s): aster, astral rays, attraction sphere, Lavdovsky nucleoid, paranuclear body

[G. astron, star, + sphaira, ball]

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