MeSH definition : The first phase of cell nucleus division, in which the CHROMOSOMES become visible,
the CELL NUCLEUS starts to lose its identity, the SPINDLE APPARATUS appears, and the
CENTRIOLES migrate toward opposite poles.;
MeSH synonym : prophases;
MeSH annotation : coordinate with specific cell /cytol; permitted with microorganisms;
Wikipedia link : https://en.wikipedia.org/wiki/Prophase;
The first phase of cell nucleus division, in which the CHROMOSOMES become visible,
the CELL NUCLEUS starts to lose its identity, the SPINDLE APPARATUS appears, and the
CENTRIOLES migrate toward opposite poles.