| EPS | Exopolysaccharides |
| NK | Natural killer |
| APCs | Antigen-presenting cells |
| Th1 | Type 1 helper T |
| LPS | Lipopolysaccharide |
| TLR2 | Toll-like receptor-2 |
| NEC | Necrotizing enterocolitis |
| CDAD | C. difficile-associated diarrhea |
| TEER | Transepithelial electrical resistance |
| SIBO | Small intestinal bacterial overgrowth |
| UTIs | Urinary tract infections |