| LOR | long open reading frame; lorazepam; loricrin; loss of righting reflex |
|---|---|
| LP | labile peptide; labile protein; laboratory procedure; lactic peroxidase; lamina propria; laryngophar... |
| MBL | Marine Biological Laboratory; menstrual blood loss; minimum bactericidal level |
| PLL | peripheral light loss; phase-locked loop; poly-L-lysine; pressure length loop; posterior longitudina... |
| PVL | perivalvular leakage; permanent vision loss |