GO:0021849

The division of neuroblasts in the subventricular zone of the forebrain. The interneuron precursors that these cells give rise to include adult olfactory bulb interneurons and migrate tangentially. [GO_REF:0000021, GOC:cls, GOC:dgh, GOC:dph, GOC:jid, GOC:mtg_15jun06, PMID:12626695]