| AHR | Aryl hydrocarbon receptor |
| CCL1 | C-C chemokine ligand 1 |
| CCR8 | C-C motif chemokine receptor 8 |
| CD | Crohn’s disease |
| IBD | Inflammatory bowel disease |
| ILCs | Innate lymphoid cells |
| EGFR | Epidermal growth factor receptor |
| Fut2 | Fucosyl transferase 2 |
| GPCRs | G protein-coupled receptors |
| NCR | Natural cytotoxicity receptor |
| NK | Natural killer |
| NOD2 | Nucleotide binding oligomerization domain containing 2 |
| LTis | Lymphoid tissue-inducers |
| PAMPs | Pathogen-associated molecular patterns |
| PGD2 | Prostaglandin D2 |
| PTGDR2 | Prostaglandin D2 receptor 2 |
| RORγt | RAR-related orphan receptor gamma t |
| SCFAs | Short-chain fatty acids |
| SLAMF1 | Signaling lymphocytic activation molecule family member 1 |
| SPF | Specific-pathogen-free |
| Th | T-helper |
| TL1A | TNF-like ligand 1 A |
| TLRs | Toll-like receptors |
| Treg | T regulatory |
| Tr1 | T regulatory type 1 |
| UC | Ulcerative colitis |