| ARC | Arcuate nucleus |
| A.T. | Antitoxin to BoNT-A |
| BoNT-A | Botulinum toxin type A |
| C | Contralateral |
| cl-SNAP-25 | Cleaved SNAP-25 |
| CNS | Central nervous system |
| Cu | Cuneate nucleus |
| Ecu | External cuneate nucleus |
| FN | Facial nucleus |
| Gr | Gracile nucleus |
| HPC | Hippocampus |
| HPT | Hypothalamus |
| HS | Horse serum |
| I | Ipsilateral |
| i.pl. | Intraplantar |
| i.t. | Intrathecal |
| LC | Locus coeruleus |
| ME | Median eminence |
| Mx | Medullary matrix region |
| Pa5 | Paratrigeminal nucleus |
| PAG | Periaqueductal gray |
| Pr5 | Principal sensory nucleus |
| SNAP-25 | Synaptosomal-associated protein of 25 kDa |
| Sol | Solitary tract |
| Sp5C | Caudal trigeminal subnucleus |
| Sp5I | Interpolar trigeminal subnucleus |
| Sp5O | Oral trigeminal subnucleus |
| SuG | Superficial gray layer |
| Th | Thalamus |
| VMH | Ventromedial hypothalamic nucleus |
| X | Nucleus X |
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