| PLL | peripheral light loss; phase-locked loop; poly-L-lysine; pressure length loop; posterior longitudina... |
|---|---|
| PLOD | procollagen-lysine 2-oxoglutarate 5-dioxygenase |
| XL | excess lactate; X-linked [inheritance]; xylose-lysine [agar base] |
| XLD | xylose-lysine-deoxycholate [agar] |