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Glossary Term
Glossary Term Nucleus
Definition The organelle in a eukaryotic cell that contains the chromosomes. In most types of eukaryotic cells, the nucleus breaks down as chromosomes condense during cell division. See the Image at Wikipedia.

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB), Gene Ontology (GO)
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last database update
MGI 6.20
The Jackson Laboratory