| αβ42 | Amyloid-beta 42 |
| AD | Alzheimer’s disease |
| ALGMA | Methacrylated alginate |
| ASCs | Adult stem cells |
| BBB | Blood–brain barrier |
| BDNF | Brain-derived growth factor |
| BMECs | Brain microvascular endothelial cells |
| BoC | Brain-on-chip |
| CMC | Carboxymethyl chitosan |
| CNS | Central nervous system |
| CNT | Carbon nanotube |
| COL | Collagen |
| COLMA | Methacrylated collagen |
| CS | Chondroitin sulphate |
| CSPGs | Chondroitin sulphate proteoglycans |
| DA | Dopaminergic |
| DAC | 2,3–dialdehyde |
| dbcAMP | Dibutyryl cyclic adenosine monophosphate |
| EBs | Embryoid bodies |
| ECM | Extracellular matrix |
| ENO2 | Enolase 2 |
| ESCs | Embryonic stem cells |
| FACE | Fluorescence-assisted carbohydrate electrophoresis |
| GAGs | Glycosaminoglycans |
| GFAP | Glial fibrillary acidic protein |
| HA | Hyaluronic acid |
| HA-CA | Cathecol (functionalized) hyaluronic acid |
| HAMA | Methacrylated hyaluronic acid |
| hfNSCs | Human fetal neural stem cells |
| HSPGs | Heparan sulphate proteoglycans |
| ICC | Inverted colloidal crystal |
| iPSCs | Induced pluripotent stem cells |
| LC–MS | Liquid chromatography–mass spectrometry |
| LOP | Lab-on-a-printer |
| MAP2 | Microtubule-associated protein 2 |
| MMP | Metalloproteinases |
| MSCs | Mesenchymal stem cells |
| NGF | Nerve growth factor |
| NPCs | Neural progenitor cells |
| NSCs | Neural stem cells |
| NPs | Nanoparticles |
| OLs | Oligodendrocytes |
| OPCs | Oligodendrocyte precursor cells |
| OPN | Osteopontin |
| Pγ | Pyrrole |
| PAAM–CH | Polyacrylamide–chitosan |
| PANi | Polyaniline |
| PBT | Polybutylene terephthalate |
| PCL | Polycaprolactone |
| PD | Parkinson’s disease |
| PEDOT | Poly-3,4-ethylenedioxythiophene |
| PEGDA | Polyethylene glycol diacrylate |
| γ-PGA | Poly-γ-glutamic acid |
| PGS | Pyrolytic graphite sheet |
| PLA | Polylactic acid |
| PLO | Poly-L-ornithine |
| PLGA | Polylactic-co-glycolic-acid |
| polyHIPE | Polymerized high internal phase emulsions |
| PPγ | Polypyrrole |
| RA | Retinoic acid |
| S100β | S100 calcium-binding protein β |
| SEM | Scanning electron microscopy |
| SF | Silk fibroin |
| SPI | Spinal cord injury |
| TE | Tissue engineering |
| TMPTA | Trimethylolpropane triacrylate |
| TPA | 12-O-tetradecanoylphorbol-13-acetate |
| Tuj1 | β-III-tubulin |