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Medical Definition of M phase
1. Mitotic phase of cell cycle of eukaryotic cells, as distinct from the remainder, which is known as interphase (and that can be further subdivided as G1, s and G2). Beginning of M is signalled by separation of centrioles, where present and by the condensation of chromatin into chromosomes. M phase ends with the establishment of nuclear membranes around the two daughter nuclei, normally followed immediately by cell division (cytokinesis). This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)
Lexicographical Neighbors of M Phase
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