Dinokaryon
From dinoflaj3
Revision as of 13:10, 2 December 2016 by Maintenance script (Talk | contribs)
A eukaryotic nucleus in which the chromosomes are fibrillar in appearance (i.e. with unmasked DNA fibrils) and are more or less continuously condensed. The nuclear envelope does not break down during mitosis, which is thus termed closed mitosis. The mitotic spindle is extranuclear. Histones are absent.