| AD | Alzheimer´s disease |
| APC | Antigen-presenting cells |
| AQP4 | Aquaporin-4 |
| BBB | Blood–brain barrier |
| BRB | Blood–retina barrier |
| CM | Cisterna magna |
| CNS | Central nervous system |
| CSF | Cerebrospinal fluid |
| IOP | Intraocular pressure |
| ISF | Interstitial fluid |
| LPS | Lipopolysaccharides |
| MRI | Magnetic resonance imaging |
| MS | Multiple sclerosis |
| NMO | Neuromyelitis optica |
| NMOSD | Neuromyelitis optica spectrum disorders |
| NKCC1 | Na+, K+, Cl− cotransporter |
| TBI | Traumatic brain injury |
| Tcm | Central memory T cells |
| TLR-4 | Toll-like receptor 4 |