| TTGA | tellurite, taurocholate, and gelatin agar |
|---|---|
| WB | waist belt; washable base; washed bladder; water bottle; Wechsler-Bellevue [Scale]; weight-bearing; ... |
| XL | excess lactate; X-linked [inheritance]; xylose-lysine [agar base] |
| XLD | xylose-lysine-deoxycholate [agar] |