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 Cell functions - Motility - Organell migration - Nucleus - Migration of Organells - Nucleus: Sea Urchin (Psammechinus miliaris, Echinoidea)

Migration of Organells - Nucleus: Sea Urchin (Psammechinus miliaris, Echinoidea)

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Description In the fertilised sea urchin egg a centrosome, which later migrates towards the female pronucleus, forms around the sperm centriole. Next, the male pronucleus becomes visible and fuses with the female pronucleus to produce a diploid synkaryion.
   
Sources Entwicklung beim Seeigel (Psammechinus miliaris) - I. Befruchtung und Furchung G. UHLIG. Publ.: 1976. Col., com. ger. or engl., 114 m, 101/2 min. 400 µm; DIC; 20 f/min
IWF, Göttingen: C 1187
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Nov 11, 2009, © IWF Wissen und Medien gGmbH, Nonnenstieg 72, D - 37075 Göttingen