SL	Spiral ligament
StV	Stria vacularis
SG	Spiral ganglion
SGN	Spiral ganglion neuron
MSCs	Mesenchymal stem cells
iPSCs	Induced pluripotent stem cells
ESCs	Embryonic stem cells
OPCs	Otic progenitor cells
SPIO	Superparamagnetic iron oxide
MRI	Magnetic resonance imaging
BM-MNCs	Bone marrow-derived mononuclear cells
BM-MSCs	Bone marrow-derived mesenchymal stem cells
HSCs	Hematopoietic stem cells
ASCs	Adipose tissue-derived stem cells
IV	Intravenous injection
SV	Scala vestibuli
SM	Scala media
ST	Scala tympani