| CNS | central nervous system |
| GI | gastrointestinal |
| GLP-1 | glucagon-like peptide 1 |
| IGF | insulin-like growth factor |
| PAC1-R | pituitary adenylate cyclase activating polypeptide type 1 receptor |
| PACAP | pituitary adenylate cyclase activating polypeptide |
| PCR | polymerase chain reaction |
| PYY | peptide YY |
| SEM | standard error of the mean |
| VIP | vasoactive intestinal polypeptide |
| VPAC1R | vasoactive intestinal polypeptide receptor 1 |
| VPAC2R | vasoactive intestinal polypeptide receptor 2 |
| BW | body weight |
| qPCR | quantitative polymerase chain reaction |
| T2D | type 2 diabetes |
| TEE | Total Energy Expenditure |
| VCO2 | carbon dioxide production |
| VO2 | rate of oxygen consumption |
| VH2O | water vapor |
| RQ | respiratory quotient |
| GPCRs | G-protein coupled receptors |
| WT | wild type |
| GTT | glucose tolerance test |
| ITT | insulin tolerance test |