a figure in mitosis produced by quadruple division of the nucleus.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
A figure exceptionally and abnormally occurring in mitosis, in which there are four asters.
[tetra- +G. astēr, star]
Farlex Partner Medical Dictionary © Farlex 2012
tetraster(tĕt-răs′tĕr) [″ + aster, star]
A mitotic figure in which there are four asters instead of the usual two; occurring abnormally in mitosis.
Medical Dictionary, © 2009 Farlex and Partners