BSCB	Blood–spinal cord barrier
BMP	Bone morphogenetic protein
CSPG	Chondroitin sulfate proteoglycan
dECM	Decellularized extracellular matrix
ECM	Extracellular matrix
EV	Extracellular vesicle
FDA	Food and Drug Administration
GelMA	Gelatin methacryloyl
GMP	Good manufacturing practices
HA	Hyaluronic acid
hiPSCs	Human induced pluripotent stem cells
hESCs	Human embryonic stem cells
MEA	Microelectrode array
MMP	Matrix Metalloproteinases
NIST	National Institute of Standards and Technology
OoaC	Organoid-on-a-chip
OoC	Organ-on-a-chip
SCO	Spinal cord organoid
SCI	Spinal cord injury
SCO-OoaC	Spinal cord organoid-on-a-chip
SHH	Sonic hedgehog
TEER	Transepithelial/Transendothelial electrical resistance
VEGF	Vascular endothelial growth factor
WHO	World Health Organization