| FBD | functional bowel disorder |
|---|---|
| GBD | gallbladder disease; gender behavior disorder; glass blower's disease; granulomatous bowel disease |
| IBS | imidazole buffered saline; immunoblastic sarcoma; irritable bowel syndrome; isobaric solution |
| LB | lamellar body; large bowel; left breast; left bronchus; left bundle; left buttock; leiomyoblastoma; ... |
| LBM | lean body mass; loose bowel movement; lung basement membrane |