| AU | arbitrary units |
| BSA | bovine serum albumin |
| dpp | day postpartum |
| 5HT | 5-hydroxytryptamine, serotonin |
| HTP | 5-hydroxy-L-tryptophan |
| PBS | phosphate buffered saline |
| PCR | polymerase chain reaction |
| PFA | paraformaldehyde |
| qPCR | quantitative real-time PCR |
| ROI | region of interest |
| SSRI | selective serotonin reuptake inhibitor |