found: Work cat.: Hydrogenosomes and mitosomes : mitochondria of anaerobic eukaryotes, c2008:t.p.; p. vii (unusual cell organelles, current consensus is that they are mitochondria)
found: Dictionary of genetics, 2007(mitosomes: organelles found in some protoctists that function in the assembly of iron-sulfur complexes, thought to represent mitochondria that have undergone regressive evolution)
found: Wikipedia, July 30, 2008(mitosome, organelle found in some unicellular eukaryotic organisms; almost certainly derived from mitochondria, but unlike mitochondria, mitosomes don't have genes within them)