Term Name:	macronucleus
Synonyms:
Definition:	A membrane-bounded organelle of ciliated protozoan cells that contains polyploid copies of a portion of the cell's complete genome. Transcription of genes occurs in macronuclei. Some ciliate species may contain multiple macronuclei per cell.
Ontology:	GO: Cellular Component [GO:0031039]    QuickGO    AmiGO