| LLO | Legionella-like organism |
|---|---|
| LOXL | lysyl oxidase-like |
| LPL | lichen planus-like lesion; lipoprotein lipase |
| MELAS | mitochondrial encephalomyopathy-lactic acidosis- and stroke-like symptoms [syndrome] |
| MLC | minimum lethal concentration; mixed leukocyte culture; mixed ligand chelate; mixed lymphocyte concen... |