| TCU | trauma care unit; treatment control unit |
|---|---|
| TRU | task-related unit; turbidity-reducing unit |
| BB | bad breath; bed bath; beta blockade, beta blocker; BioBreeding [rat]; blanket bath; blood bank; bloo... |
| BB/W | BioBreeding/Worcester [rat] |
| BN | bladder neck; branchial neuritis; bronchial node; brown Norway [rat]; bulimia nervosa |