a figure in mitosis produced by quadruple division of the nucleus.
A figure exceptionally and abnormally occurring in mitosis, in which there are four asters.
[tetra- +G. astēr, star]
tetraster(tĕt-răs′tĕr) [″ + aster, star]
A mitotic figure in which there are four asters instead of the usual two; occurring abnormally in mitosis.